APA-referens (7:e uppl.)

Feldman, R. (2021). Understanding Psychology (15th ed.). Mc Graw Hill.

Chicago-referens (17:e uppl.)

Feldman, Robert. Understanding Psychology. 15th ed. Chennai: Mc Graw Hill, 2021.

MLA-referens (9:e uppl.)

Feldman, Robert. Understanding Psychology. 15th ed. Mc Graw Hill, 2021.