Não informado. (1978). Health and Population: Perspectives and issues. National Institute of Health and Family Welfare.
Chicago-referens (17:e uppl.)Não informado. Health and Population: Perspectives and Issues. New Delhi: National Institute of Health and Family Welfare, 1978.
MLA-referens (8:e uppl.)Não informado. Health and Population: Perspectives and Issues. National Institute of Health and Family Welfare, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.