Cita APA

Laird, D. A., & Laird, E. C. (1956). Psychology- human relations and motivations (5th ed.). Mcgraw Hill Book Co.

Chicago Edition Citation

Laird, Donald A., i Eleanor C. Laird. Psychology- Human Relations and Motivations. 5th ed. New York: Mcgraw Hill Book Co, 1956.

Cita MLA

Laird, Donald A., i Eleanor C. Laird. Psychology- Human Relations and Motivations. 5th ed. Mcgraw Hill Book Co, 1956.