Verma, K. K. (1977). Culture, ecology and population: An anthropo-demographic study. National Pub. House.
Chicago-referens (17:e uppl.)Verma, Krishna Kumar. Culture, Ecology and Population: An Anthropo-demographic Study. New Delhi: National Pub. House, 1977.
MLA-referens (8:e uppl.)Verma, Krishna Kumar. Culture, Ecology and Population: An Anthropo-demographic Study. National Pub. House, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.