Παραπομπή APA

Suppe, P. (1957). Introduction to logic. Van Nostrand Reinhold Company.

Παραπομπή Chicago Style

Suppe, Patrick. Introduction to Logic. New York: Van Nostrand Reinhold Company, 1957.

Παραπομπή MLA

Suppe, Patrick. Introduction to Logic. Van Nostrand Reinhold Company, 1957.