Sicat, G. P., & Tidalgo, R. L. Output, capital, labor and population: Projections from the supply side [microfilm]. Photoduplication Service, University of the Philippines Library,1976.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sicat, Gerardo Pasion, و Rosa Linda Tidalgo. Output, Capital, Labor and Population: Projections from the Supply Side [microfilm]. Quezon City: Photoduplication Service, University of the Philippines Library,1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sicat, Gerardo Pasion, و Rosa Linda Tidalgo. Output, Capital, Labor and Population: Projections from the Supply Side [microfilm]. Photoduplication Service, University of the Philippines Library,1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.