Villalobos, C. R. (1973). Ptychophallus costaricensis, a new freshwater crab from Costa Rica.
シカゴスタイル引用形Villalobos, Carlos R. Ptychophallus Costaricensis, a New Freshwater Crab From Costa Rica. 1973.
MLA引用形式Villalobos, Carlos R. Ptychophallus Costaricensis, a New Freshwater Crab From Costa Rica. 1973.
警告: この引用は必ずしも正確ではありません.