APA (7th ed.) Zitazioa

Hutchinson, H. N. The Story of the Hills: A Book About Mountains for General Readers.

Chicago Style (17th ed.) Zitazioa

Hutchinson, H. N. The Story of the Hills: A Book About Mountains for General Readers.

MLA (9th ed.) Zitazioa

Hutchinson, H. N. The Story of the Hills: A Book About Mountains for General Readers.

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