Roldan, G. (1980). Limnological studies of four different neotropical ecosystems with special reference to their Ephemeroptera fauna.
Chicago-referens (17:e uppl.)Roldan, Gabriel. Limnological Studies of Four Different Neotropical Ecosystems with Special Reference to Their Ephemeroptera Fauna. 1980.
MLA-referens (8:e uppl.)Roldan, Gabriel. Limnological Studies of Four Different Neotropical Ecosystems with Special Reference to Their Ephemeroptera Fauna. 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.