Não informado. (1978). Health and Population: Perspectives and issues. National Institute of Health and Family Welfare.
Citação do estilo Chicago (17ª ed.)Não informado. Health and Population: Perspectives and Issues. New Delhi: National Institute of Health and Family Welfare, 1978.
Citação MLA (8ª ed.)Não informado. Health and Population: Perspectives and Issues. National Institute of Health and Family Welfare, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.