APA-referens (7:e uppl.)

Maddux, R. (2004). Effective Performance Appraisals (4th ed.). Viva.

Chicago-referens (17:e uppl.)

Maddux, Robert. Effective Performance Appraisals. 4th ed. New Delhi: Viva, 2004.

MLA-referens (9:e uppl.)

Maddux, Robert. Effective Performance Appraisals. 4th ed. Viva, 2004.