Graham, B. (1960). Answers to life's problems. Grason.
Chicagoスタイル(17版)引用形式Graham, Billy. Answers to Life's Problems. Minneapolis: Grason, 1960.
MLA(9版)引用形式Graham, Billy. Answers to Life's Problems. Grason, 1960.
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APA(7版)引用形式