Berenstain, J. The Berenstain Bears at the Aquarium. Harpercollins.
Chicagoスタイル(17版)引用形式Berenstain, Jan. The Berenstain Bears at the Aquarium. Harpercollins.
MLA(8版)引用形式Berenstain, Jan. The Berenstain Bears at the Aquarium. Harpercollins.
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