Não informado. (2000). Tropical Products Institute. Tropical Products Institute.
Chicagoスタイル(17版)引用形式Não informado. Tropical Products Institute. London: Tropical Products Institute, 2000.
MLA(8版)引用形式Não informado. Tropical Products Institute. Tropical Products Institute, 2000.
警告: この引用は必ずしも正確ではありません.