“Apostrophes.” TV411.org. Video, 2:57. http://www.tv411.org/writing/grammar/video-apostrophes.
“Apostrophe Exercise 3.” PBWorks. http://writingreview.pbworks.com/f/apostrophe_Ex3.pdf.
Chafe, Wallace. “What Good is Punctuation?” The Quarterly, Vol. 10, No. 1 ( January 1988). http://www.nwp.org/cs/public/print/resource/1631.
Clark, Roy Peter. The Glamour of Grammar: A Guide to the Magic and Mystery of Practical English. New York: Little, Brown and Company, 2010.
The Chicago Manual of Style. 16th Ed. http://chicagomanualofstyle.org.
Fogarty, Mignon. “Quotation Marks with Commas and Periods.” Grammar Girl: Quick and Dirty Tips for Better Writing. August 25, 2011. http://grammar.quickanddirtytips.com/quotation-marks-with-periods-and-commas.aspx.
“How to Use Quotation Marks.” Purdue Online Writing Lab. http://owl.english.purdue.edu/owl/resource/577/01/.
Iyer, Pico. “In Praise of the Humble Comma.” Time Magazine, August 13, 1988.
Nordquist, Richard. “End Punctuation: Periods, Question Marks, and Exclamation Points.” About.com. http://grammar.about.com/od/basicmarks/a/end_marks.htm.
O’Conner, Patricia T. Words Fail Me: What Everyone Who Writes Should Know About Writing. New York: Harcourt, Brace & Company, 1999.
Perlmutter, Sammy. “National Punctuation Day 2010: The 5 Worst Punctuation Mistakes.” Huffingtonpost.com. September 24, 2010. http://www.huffingtonpost.com/2010/09/24/national-punctuation-day-_n_738362.html#s144867&title=Colon_Semicolon .
Shore, John. “When Punctuation Goes Terribly, Terribly Wrong.” Huff Post Books. September 17, 2010. http://www.huffingtonpost.com/john-shore/when-punctuation-goes-ter_b_720334.html.†
“Top 5 Comma Errors.” Terribly Write. (blog). http://terriblywrite.wordpress.com/terribly-right-writing-for-the-web/top-5-comma-errors/.
“Types of Sentences.” BrainPOP Jr. http://www.brainpopjr.com/readingandwriting/sentence/typesofsentences/grownups.weml.
Wilde, Oscar. Quotesdaddy.com. http://www.quotesdaddy.com/quote/961509/oscar-wilde/this-morning-i-took-out-a-comma-and-this-afternoon.
†Republished with permission from author