Dyfyniad APA

Calvo, G., & Somarriba, E. (1999). Timber species for shade in new and old cocoa fields.

Dyfyniad Arddull Chicago

Calvo, G., y Eduardo Somarriba. Timber Species for Shade in New and Old Cocoa Fields. 1999.

Dyfyniad MLA

Calvo, G., y Eduardo Somarriba. Timber Species for Shade in New and Old Cocoa Fields. 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.