Mangahas, M. K. (1969). A cross-sectional study of the diffusion of new rice varieties in Central Luzon. Institute of Economic Development and Research, School of Economics, University of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mangahas, Mahar Kelly. A Cross-sectional Study of the Diffusion of New Rice Varieties in Central Luzon. [Quezon City]: Institute of Economic Development and Research, School of Economics, University of the Philippines, 1969.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Mangahas, Mahar Kelly. A Cross-sectional Study of the Diffusion of New Rice Varieties in Central Luzon. Institute of Economic Development and Research, School of Economics, University of the Philippines, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.