Dyfyniad APA

S. Rothenberg Paula. (2010). What's the Problem?: A Brief Guide to Thinking Critically. New York: Catherine Woods.

Dyfyniad Arddull Chicago

S. Rothenberg Paula. What's the Problem?: A Brief Guide to Thinking Critically. New York: Catherine Woods, 2010.

Dyfyniad MLA

S. Rothenberg Paula. What's the Problem?: A Brief Guide to Thinking Critically. New York: Catherine Woods, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.