Dyfyniad APA

Schwartz, B., Hamilton, B., & Silberberg, A. (1975). Behavioral contrast in the pigeon: A study of the duration of key pecking maintained on multiple schedules of reinforcement.

Dyfyniad Arddull Chicago

Schwartz, Barry, Bruce Hamilton, and Alan Silberberg. Behavioral Contrast in the Pigeon: A Study of the Duration of Key Pecking Maintained On Multiple Schedules of Reinforcement. 1975.

Dyfyniad MLA

Schwartz, Barry, Bruce Hamilton, and Alan Silberberg. Behavioral Contrast in the Pigeon: A Study of the Duration of Key Pecking Maintained On Multiple Schedules of Reinforcement. 1975.

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