Não informado. (1996). Agriculture and environment for developing regions. Royal Tropical Institute.
Chicagoスタイル(17版)引用形式Não informado. Agriculture and Environment for Developing Regions. Amsterdam: Royal Tropical Institute, 1996.
MLA(8版)引用形式Não informado. Agriculture and Environment for Developing Regions. Royal Tropical Institute, 1996.
警告: この引用は必ずしも正確ではありません.