Tohutoro APA (7th ed.)

Peterson, R. T. (1956). A fiels guide to the birds (2ª ed.). Houghton Miffin Company.

Tohutoru Kātū Chicago

Peterson, Roger Tory. A Fiels Guide to the Birds. 2ª ed. Houghton Miffin Company, 1956.

Tohutoro MLA

Peterson, Roger Tory. A Fiels Guide to the Birds. 2ª ed. Houghton Miffin Company, 1956.

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