APA aipamena

Slyus, F. v., Wielemaker, W., & Wienk, J. (1987). Agriculture in the atlantic zone of Costa Rica: Summarizing report of an exploratory survey.

Chicago Style aipamena

Slyus, F.R. van, W.G Wielemaker, y J.F Wienk. Agriculture in the Atlantic Zone of Costa Rica: Summarizing Report of an Exploratory Survey. 1987.

MLA aipamena

Slyus, F.R. van, W.G Wielemaker, y J.F Wienk. Agriculture in the Atlantic Zone of Costa Rica: Summarizing Report of an Exploratory Survey. 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.