Liao, S. (1977). Factors affecting productivity and adoption of improved farm practices in rice farms [microform]. Photoduplication Service. University of the Philippines Library.
Cytowanie według stylu Chicago (wyd. 17)Liao, Sheng-Hui. Factors Affecting Productivity and Adoption of Improved Farm Practices in Rice Farms [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Cytowanie według stylu MLA (wyd. 9)Liao, Sheng-Hui. Factors Affecting Productivity and Adoption of Improved Farm Practices in Rice Farms [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..