Davis, W. C., & Lansang, F. C. (1955). An educational research project: An occupational study of U.P. graduates. Social Sciences Research Center, University of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Davis, Warren C., و Flora Celi Lansang. An Educational Research Project: An Occupational Study of U.P. Graduates. Quezon City: Social Sciences Research Center, University of the Philippines, 1955.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Davis, Warren C., و Flora Celi Lansang. An Educational Research Project: An Occupational Study of U.P. Graduates. Social Sciences Research Center, University of the Philippines, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.