Symposium on Intraspecific Variations Calcutta, India, & Zoological Survey of India. (1979). Proceedings of the Symposium on Intraspecific Variations held at Calcutta on 4th Oct. 1977. Controller of Publications.
Chicago-referens (17:e uppl.)Symposium on Intraspecific Variations Calcutta, India, och Zoological Survey of India. Proceedings of the Symposium on Intraspecific Variations Held at Calcutta on 4th Oct. 1977. Delhi: Controller of Publications, 1979.
MLA-referens (8:e uppl.)Symposium on Intraspecific Variations Calcutta, India, och Zoological Survey of India. Proceedings of the Symposium on Intraspecific Variations Held at Calcutta on 4th Oct. 1977. Controller of Publications, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.