Yuill, B. (1968). Supervision: Principles and techniques. George Allen & Unwin.
シカゴスタイル引用形Yuill, Bruce. Supervision: Principles and Techniques. London: George Allen & Unwin, 1968.
MLA引用形式Yuill, Bruce. Supervision: Principles and Techniques. George Allen & Unwin, 1968.
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