Harkin, D. A. (1976). Philippine agrarian reform in the perspective of three years of martial law. A. I. D.
Chicago-viite (17. p.)Harkin, Duncan A. Philippine Agrarian Reform in the Perspective of Three Years of Martial Law. [Washington, D.C.]: A. I. D, 1976.
MLA-viite (9. p.)Harkin, Duncan A. Philippine Agrarian Reform in the Perspective of Three Years of Martial Law. A. I. D, 1976.
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