APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

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