http://owl.english.purdue.edu/owl/resource/544/1/
http://www.writing.ku.edu/~writing/guides/outlines.shtml
http://www.fas.harvard.edu/~wricntr/documents/Outlining.html
http://www.wlu.ca/forms/929/How_to_Write_an_Outline.pdf
http://rwc.hunter.cuny.edu/reading-writing/on-line/standard.html
http://rwc.hunter.cuny.edu/reading-writing/on-line/formal.html
http://rwc.hunter.cuny.edu/reading-writing/on-line/informal.html
http://www.sass.uottawa.ca/writing/kit/stage2-oandr.php
http://web.psych.washington.edu/writingcenter/writingguides/pdf/outline.pdf
http://www.queensu.ca/writingcentre/handouts/Creating%20Outlines.pdf