Basic Debating Skills
- see http://www.actdu.org.au/archives/actein_site/basicskills.html
DEBATING - A Brief Introduction for Beginners
- see https://www.debatingsa.com.au/Schools-Competition/Documents/Debating-An-Introduction-For-Beginners.pdf
原文：http://www.cnblogs.com/skyssky/p/4053965.html