APA aipamena

Livezey, R. L. (1986). The eggs and tadpoles of Bufo coniferus Cope in Costa Rica.

Chicago Style aipamena

Livezey, Robert L. The Eggs and Tadpoles of Bufo Coniferus Cope in Costa Rica. 1986.

MLA aipamena

Livezey, Robert L. The Eggs and Tadpoles of Bufo Coniferus Cope in Costa Rica. 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.