Dyfyniad APA

Hurley, P. J. (1988). A concise introduction to logic (3rd ed.). Wadsworth.

Dyfyniad Arddull Chicago

Hurley, Patrick J. A Concise Introduction to Logic. 3rd ed. California: Wadsworth, 1988.

Dyfyniad MLA

Hurley, Patrick J. A Concise Introduction to Logic. 3rd ed. Wadsworth, 1988.

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