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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)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.
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