APA-referens (7:e uppl.)

Feldman, R. S. (2021). Understanding psychology (Fifteenth edition.). McGraw-Hill Education.

Chicago-referens (17:e uppl.)

Feldman, Robert S. Understanding Psychology. Fifteenth edition. New York, NY: McGraw-Hill Education, 2021.

MLA-referens (8:e uppl.)

Feldman, Robert S. Understanding Psychology. Fifteenth edition. McGraw-Hill Education, 2021.