Philippines (Republic) President's Action Committee on Social Amelioration. (1950). Philippine social trends: Basic documents pertinent to long-range social welfare planning in the Philippines, published by the President's Action Committee on Social Amelioration, assisted by United Nations consultants. Bureau of Print.
Chicago-referens (17:e uppl.)Philippines (Republic) President's Action Committee on Social Amelioration. Philippine Social Trends: Basic Documents Pertinent to Long-range Social Welfare Planning in the Philippines, Published by the President's Action Committee on Social Amelioration, Assisted by United Nations Consultants. Manila: Bureau of Print, 1950.
MLA-referens (9:e uppl.)Philippines (Republic) President's Action Committee on Social Amelioration. Philippine Social Trends: Basic Documents Pertinent to Long-range Social Welfare Planning in the Philippines, Published by the President's Action Committee on Social Amelioration, Assisted by United Nations Consultants. Bureau of Print, 1950.