APA (7th ed.) Zitazioa
Young, A. M. (1994). The chocolate tree: A natural history of cacao. Smithsonian Institution Press.
Chicago Style (17th ed.) Zitazioa
Young, Allen M. The Chocolate Tree: A Natural History of Cacao. Washington, D.C.: Smithsonian Institution Press, 1994.
MLA (9th ed.) Zitazioa
Young, Allen M. The Chocolate Tree: A Natural History of Cacao. Smithsonian Institution Press, 1994.
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