International Population Conference Nueva Delhi, India, & International Union for the Scientific Study of Population. (1990). International Population Conference, New Delhi 1989, 20-27 September =: Congrès international de la population, New Delhi 1989, 20-27 septembre. International Union for the Scientific Study of Population.
Cita Chicago Style (17a ed.)International Population Conference Nueva Delhi, India, y International Union for the Scientific Study of Population. International Population Conference, New Delhi 1989, 20-27 September =: Congrès International De La Population, New Delhi 1989, 20-27 Septembre. Liège: International Union for the Scientific Study of Population, 1990.
Cita MLA (8a ed.)International Population Conference Nueva Delhi, India, y International Union for the Scientific Study of Population. International Population Conference, New Delhi 1989, 20-27 September =: Congrès International De La Population, New Delhi 1989, 20-27 Septembre. International Union for the Scientific Study of Population, 1990.