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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)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.