Dyfyniad APA

Runkle, G. (1972). Good thinking: An introduction to logic. H R W.

Dyfyniad Arddull Chicago

Runkle, Gerald. Good Thinking: An Introduction to Logic. New York: H R W, 1972.

Dyfyniad MLA

Runkle, Gerald. Good Thinking: An Introduction to Logic. H R W, 1972.

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