Ryan, J. E. (2017). Wait, What? and Life's other essential questions. Harper Collins.
Chicagoスタイル(17版)引用形式Ryan, James E. Wait, What? and Life's Other Essential Questions. New York: Harper Collins, 2017.
MLA(9版)引用形式Ryan, James E. Wait, What? and Life's Other Essential Questions. Harper Collins, 2017.
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