Written by Jill Eggleton. (2018). Bob and Billy. 长江少年儿童出版社.
Chicagoスタイル(17版)引用形式Written by Jill Eggleton. Bob and Billy. 长江少年儿童出版社, 2018.
MLA(8版)引用形式Written by Jill Eggleton. Bob and Billy. 长江少年儿童出版社, 2018.
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APA(7版)引用形式