Lua APA (7ú heag.)

Não informado. (1968). Journal of Applied Behavior Analysis. Society for the Experimental Analysis of Behavior.

Lua i Stíl Chicago (17ú heag.)

Não informado. Journal of Applied Behavior Analysis. Lawrence, Kan: Society for the Experimental Analysis of Behavior, 1968.

Lua MLA (8ú heag.)

Não informado. Journal of Applied Behavior Analysis. Society for the Experimental Analysis of Behavior, 1968.

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