Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.