Não informado. (1959). Tropical Science. Tropical Products Institute.
Chicagoスタイル(17版)引用形式Não informado. Tropical Science. London: Tropical Products Institute, 1959.
MLA(8版)引用形式Não informado. Tropical Science. Tropical Products Institute, 1959.
警告: この引用は必ずしも正確ではありません.