APA aipamena

Hurley, P. J. (2007). Introducing to Logic. Wadsworth.

Chicago Style aipamena

Hurley, Patric J. Introducing to Logic. Australia: Wadsworth, 2007.

MLA aipamena

Hurley, Patric J. Introducing to Logic. Wadsworth, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.