APA-referens (7:e uppl.)

Aiken, L. R. (1988). Psychological testing and assessment (6th ed.). Allyn.

Chicago-referens (17:e uppl.)

Aiken, Lewis R. Psychological Testing and Assessment. 6th ed. Boston: Allyn, 1988.

MLA-referens (9:e uppl.)

Aiken, Lewis R. Psychological Testing and Assessment. 6th ed. Allyn, 1988.