Cita APA (7th ed.)

Haas, K. B., & Ewing, C. H. (1950). Tested training techniques. Prentice-Hall.

Cita Chicago (17th ed.)

Haas, Kenneth Brooks, i Claude H. Ewing. Tested Training Techniques. New York: Prentice-Hall, 1950.

Cita MLA (9th ed.)

Haas, Kenneth Brooks, i Claude H. Ewing. Tested Training Techniques. Prentice-Hall, 1950.