APA aipamena

Sasa, M. (1993). Distribution and reprodudion of tbe gray earth snake Geophis brachycephalus (Serpentes: Colubridae) in Costa Rica.

Chicago Style aipamena

Sasa, Mahmood. Distribution and Reprodudion of Tbe Gray Earth Snake Geophis Brachycephalus (Serpentes: Colubridae) in Costa Rica. 1993.

MLA aipamena

Sasa, Mahmood. Distribution and Reprodudion of Tbe Gray Earth Snake Geophis Brachycephalus (Serpentes: Colubridae) in Costa Rica. 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.