Dyfyniad APA

Erneholm, I. (1948). Cacao production of South America: Historical development and present geographical distribution.

Dyfyniad Arddull Chicago

Erneholm, Ivar. Cacao Production of South America: Historical Development and Present Geographical Distribution. Gothenburg, 1948.

Dyfyniad MLA

Erneholm, Ivar. Cacao Production of South America: Historical Development and Present Geographical Distribution. 1948.

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