Khan, A. U., & Duff, B. (1972). Development of agricultural mechanization technologies at the International Rice Research Institute. The International Rice Research Institute.
Citace podle Chicago (17th ed.)Khan, Amir U., a Bart Duff. Development of Agricultural Mechanization Technologies at the International Rice Research Institute. Los Baños, Laguna: The International Rice Research Institute, 1972.
Citace podle MLA (9th ed.)Khan, Amir U., a Bart Duff. Development of Agricultural Mechanization Technologies at the International Rice Research Institute. The International Rice Research Institute, 1972.
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