Lötschert, W., & Beese, G. (1987). Collins guide to tropical plants. Collins.
Chicagoスタイル(17版)引用形式Lötschert, Wilhelm, , Gerhard Beese. Collins Guide to Tropical Plants. London: Collins, 1987.
MLA(9版)引用形式Lötschert, Wilhelm, , Gerhard Beese. Collins Guide to Tropical Plants. Collins, 1987.
警告: この引用は必ずしも正確ではありません.