Neill, H. B. (1963). The art of contrary thinking: It pays to be contrary (6th and enl. ed.). Caxton Printers.
Chicagoスタイル(17版)引用形式Neill, Humphrey B. The Art of Contrary Thinking: It Pays to Be Contrary. 6th and enl. ed. Caldwell, Idaho: Caxton Printers, 1963.
MLA(9版)引用形式Neill, Humphrey B. The Art of Contrary Thinking: It Pays to Be Contrary. 6th and enl. ed. Caxton Printers, 1963.
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