Cita APA (7th ed.)

Laird, D., & Laird, D. A. (1975). Psychology: Human relations and motivation (5th ed.). Gregg and Community College Division, McGraw-Hill.

Cita Chicago (17th ed.)

Laird, Donald, i Donald Anderson Laird. Psychology: Human Relations and Motivation. 5th ed. New York: Gregg and Community College Division, McGraw-Hill, 1975.

Cita MLA (9th ed.)

Laird, Donald, i Donald Anderson Laird. Psychology: Human Relations and Motivation. 5th ed. Gregg and Community College Division, McGraw-Hill, 1975.