APA-referens (7:e uppl.)

Ferster, C. B., & Culbertson, S. (1975). Behavior principles (Second edition.). Prentice-Hall, Inc.

Chicago-referens (17:e uppl.)

Ferster, Charles B., och Stuart Culbertson. Behavior Principles. Second edition. Englewood Cliffs, N.J: Prentice-Hall, Inc, 1975.

MLA-referens (9:e uppl.)

Ferster, Charles B., och Stuart Culbertson. Behavior Principles. Second edition. Prentice-Hall, Inc, 1975.