Dyfyniad APA

Hurley, P. J. (2006). Concise Introduction To Logic (9th ed.). Thomson.

Dyfyniad Arddull Chicago

Hurley, Pattrick J. Concise Introduction To Logic. 9th ed. Australia: Thomson, 2006.

Dyfyniad MLA

Hurley, Pattrick J. Concise Introduction To Logic. 9th ed. Thomson, 2006.

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