Villalobos, C. R. (1973). Ptychophallus costaricensis, a new freshwater crab from Costa Rica.
Citación estilo ChicagoVillalobos, Carlos R. Ptychophallus Costaricensis, a New Freshwater Crab From Costa Rica. 1973.
Deismireacht MLAVillalobos, Carlos R. Ptychophallus Costaricensis, a New Freshwater Crab From Costa Rica. 1973.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.
       
    