APA-referens (7:e uppl.)

Carkhuff, R. R. (1971). The development of human resources: Education, psychology, and social change. Holt, Rinehart and Winston.

Chicago-referens (17:e uppl.)

Carkhuff, Robert R. The Development of Human Resources: Education, Psychology, and Social Change. New York: Holt, Rinehart and Winston, 1971.

MLA-referens (8:e uppl.)

Carkhuff, Robert R. The Development of Human Resources: Education, Psychology, and Social Change. Holt, Rinehart and Winston, 1971.