Gaya APA

Ferster, C, B., Culbertson, S, A. (1982). Behavior Principles (Ed. 3). Englewood Cliffs: Prentice-Hall.

Gaya MLA

Ferster, Charles, B.., Culbertson, Stuart, A.. "Behavior Principles". Ed. 3 Englewood Cliffs: Prentice-Hall, 1982. Text.