Παραπομπή APA

Gewald, N., & Rosero, P. (1979). Growth of laurel (Cordia alliodora) in coffee and cacao plantations and pastures in the atlantic region of Costa Rica.

Παραπομπή Chicago Style

Gewald, N., και P. Rosero. Growth of Laurel (Cordia Alliodora) in Coffee and Cacao Plantations and Pastures in the Atlantic Region of Costa Rica. 1979.

Παραπομπή MLA

Gewald, N., και P. Rosero. Growth of Laurel (Cordia Alliodora) in Coffee and Cacao Plantations and Pastures in the Atlantic Region of Costa Rica. 1979.

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