APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.