Marshall, A. J., & Williams, W. D. (1995). Texbook of Zoology Vertebrates (7th ed.). Laxman Chand Arya for AITBS Publishers.
Citación estilo ChicagoMarshall, A. J., and W. D. Williams. Texbook of Zoology Vertebrates. 7th ed. Delhi: Laxman Chand Arya for AITBS Publishers, 1995.
Cita MLAMarshall, A. J., and W. D. Williams. Texbook of Zoology Vertebrates. 7th ed. Laxman Chand Arya for AITBS Publishers, 1995.
Warning: These citations may not always be 100% accurate.