Παραπομπή σε μορφή APA (7η εκδ.)

Roldan, G. (1980). Limnological studies of four different neotropical ecosystems with special reference to their Ephemeroptera fauna.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Roldan, Gabriel. Limnological Studies of Four Different Neotropical Ecosystems with Special Reference to Their Ephemeroptera Fauna. 1980.

Παραπομπή σε μορφή MLA (8th εκδ.)

Roldan, Gabriel. Limnological Studies of Four Different Neotropical Ecosystems with Special Reference to Their Ephemeroptera Fauna. 1980.