DeLeon, I. G., Iwata, B. A., & Roscoe, E. M. (1997). Displacement of leisure reinforcers by food during preference assessments.
シカゴスタイル引用形DeLeon, I G., B A. Iwata, , E M. Roscoe. Displacement of Leisure Reinforcers By Food During Preference Assessments. 1997.
MLA引用形式DeLeon, I G., B A. Iwata, , E M. Roscoe. Displacement of Leisure Reinforcers By Food During Preference Assessments. 1997.
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