Deismireacht APA

Claybourne, A. (1999). The Usborne encyclopedia of planet earth. London: Usborne.

Trích dẫn kiểu Chicago

Claybourne, Anna. The Usborne Encyclopedia of Planet Earth. London: Usborne, 1999.

Deismireacht MLA

Claybourne, Anna. The Usborne Encyclopedia of Planet Earth. London: Usborne, 1999.

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