United States. Agency for International Development. Office of Population. (1970). Population program assistance: Aid to developing countries by the United States, other nations, international and private agencies. Agency for International Development.
Citazione stile Chigago Style (17a edizione)United States. Agency for International Development. Office of Population. Population Program Assistance: Aid to Developing Countries by the United States, Other Nations, International and Private Agencies. Washington D.C: Agency for International Development, 1970.
Citatione MLA (9a ed.)United States. Agency for International Development. Office of Population. Population Program Assistance: Aid to Developing Countries by the United States, Other Nations, International and Private Agencies. Agency for International Development, 1970.