APA(7版)引用形式

LADYBIRD BOOKS LTD. READ IT YOURSELF WITH LADYBIRD THE UGLY DUCKLING LEVEL- 1. LADYBIRD BOOKS LTD.

Chicagoスタイル(17版)引用形式

LADYBIRD BOOKS LTD. READ IT YOURSELF WITH LADYBIRD THE UGLY DUCKLING LEVEL- 1. LONDON: LADYBIRD BOOKS LTD.

MLA(9版)引用形式

LADYBIRD BOOKS LTD. READ IT YOURSELF WITH LADYBIRD THE UGLY DUCKLING LEVEL- 1. LADYBIRD BOOKS LTD.

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