Dyfyniad APA

Ruggiero, V. R. (1996). Becoming a critical thinker (2nd.ed.). Houghton Mifflin.

Dyfyniad Arddull Chicago

Ruggiero, Vincent Ryan. Becoming a Critical Thinker. 2nd.ed. Rapid: Houghton Mifflin, 1996.

Dyfyniad MLA

Ruggiero, Vincent Ryan. Becoming a Critical Thinker. 2nd.ed. Houghton Mifflin, 1996.

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