APA (7th ed.) Zitazioa
(1969). Our amazing world of Nature: Its marvels & mysteries. Reader's Digest Association.
Chicago Style (17th ed.) Zitazioa
Our Amazing World of Nature: Its Marvels & Mysteries. Pleasantville, N.Y.: Reader's Digest Association, 1969.
MLA (9th ed.) Zitazioa
Our Amazing World of Nature: Its Marvels & Mysteries. Reader's Digest Association, 1969.
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