Παραπομπή APA

Beer, J. (1981). Cordia alliodora with Theobroma cacao: A traditional agro-forestry combination in the humid tropics.

Παραπομπή Chicago Style

Beer, John. Cordia Alliodora With Theobroma Cacao: A Traditional Agro-forestry Combination in the Humid Tropics. 1981.

Παραπομπή MLA

Beer, John. Cordia Alliodora With Theobroma Cacao: A Traditional Agro-forestry Combination in the Humid Tropics. 1981.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.