Lewis, P., Lewin, L., Stoyak, M., & Muehleisen, P. (1974). Negatively reinforced key pecking.
シカゴスタイル引用形Lewis, Paul, Lew Lewin, Mike Stoyak, , Penny Muehleisen. Negatively Reinforced Key Pecking. 1974.
MLA引用形式Lewis, Paul, Lew Lewin, Mike Stoyak, , Penny Muehleisen. Negatively Reinforced Key Pecking. 1974.
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