Keeble, W., & Cobden, D. W. (1971). Sailing instructors guide: Principles of sailing instruction for small craft. Kandy.
シカゴスタイル引用形Keeble, W.B, , D W. Cobden. Sailing Instructors Guide: Principles of Sailing Instruction for Small Craft. Kent: Kandy, 1971.
MLA引用形式Keeble, W.B, , D W. Cobden. Sailing Instructors Guide: Principles of Sailing Instruction for Small Craft. Kandy, 1971.
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