Berenstain, J. Berenstain Bears' Valentine Party. Harperfestival.
Chicagoスタイル(17版)引用形式Berenstain, Jan. Berenstain Bears' Valentine Party. Harperfestival.
MLA(8版)引用形式Berenstain, Jan. Berenstain Bears' Valentine Party. Harperfestival.
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