Powers, B. (2007). Instructor excellence: Mastering the delivery of training. San Francisco: Wiley/Pfeiffer.
シカゴスタイル引用形Powers, Bob. Instructor Excellence: Mastering the Delivery of Training. San Francisco: Wiley/Pfeiffer, 2007.
MLA引用形式Powers, Bob. Instructor Excellence: Mastering the Delivery of Training. San Francisco: Wiley/Pfeiffer, 2007.
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