एपीए उद्धरण

Sasa, M. (2002). Morphological variation in the lancehead pitviper Bothrops asper (Garman) (Serpentes: Viperidae) from Middle America.

शिकागो स्टाइल उद्धरण

Sasa, Mahmood. Morphological Variation in the Lancehead Pitviper Bothrops Asper (Garman) (Serpentes: Viperidae) From Middle America. 2002.

एमएलए उद्धरण

Sasa, Mahmood. Morphological Variation in the Lancehead Pitviper Bothrops Asper (Garman) (Serpentes: Viperidae) From Middle America. 2002.