APA-referens (7:e uppl.)

Schwartz, T. (1980). The art of logical reasoning. Random House.

Chicago-referens (17:e uppl.)

Schwartz, Thomas. The Art of Logical Reasoning. New York: Random House, 1980.

MLA-referens (9:e uppl.)

Schwartz, Thomas. The Art of Logical Reasoning. Random House, 1980.