APA-referens (7:e uppl.)

Seay, G., & Nuccetelli, S. (2008). How to think logically. Pearson/Longman.

Chicago-referens (17:e uppl.)

Seay, Gary, och Susana Nuccetelli. How to Think Logically. New York: Pearson/Longman, 2008.

MLA-referens (9:e uppl.)

Seay, Gary, och Susana Nuccetelli. How to Think Logically. Pearson/Longman, 2008.