Power, J. H., & Tumaneng, T. D. (1983). Comparative advantage and government policies in forestry. Philippine Institute for Development Studies.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Power, John H., و Tessie D. Tumaneng. Comparative Advantage and Government Policies in Forestry. Makati: Philippine Institute for Development Studies, 1983.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Power, John H., و Tessie D. Tumaneng. Comparative Advantage and Government Policies in Forestry. Philippine Institute for Development Studies, 1983.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.