APA aipamena

Barker, S. F. (1965). The elements of logic. Mc Graw - Hill.

Chicago Style aipamena

Barker, Stephen F. The Elements of Logic. New York: Mc Graw - Hill, 1965.

MLA aipamena

Barker, Stephen F. The Elements of Logic. Mc Graw - Hill, 1965.