Calvo, G., & Somarriba, E. (1999). Timber species for shade in new and old cocoa fields.
シカゴスタイル引用形Calvo, G., , Eduardo Somarriba. Timber Species for Shade in New and Old Cocoa Fields. 1999.
MLA引用形式Calvo, G., , Eduardo Somarriba. Timber Species for Shade in New and Old Cocoa Fields. 1999.
警告: この引用は必ずしも正確ではありません.