Green,John, & Levithan,David. (2013). Will Grayson,Will Grayson. Penguin.
シカゴスタイル引用形Green,John, , Levithan,David. Will Grayson,Will Grayson. London: Penguin, 2013.
MLA引用形式Green,John, , Levithan,David. Will Grayson,Will Grayson. Penguin, 2013.
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