Gregorio, R. P. (1977). Consumptive use of water by sugarcane under five levels of irrigation [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationGregorio, Rizalino P. Consumptive Use of Water by Sugarcane Under Five Levels of Irrigation [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
ציטוט MLAGregorio, Rizalino P. Consumptive Use of Water by Sugarcane Under Five Levels of Irrigation [microform]. Photoduplication Service. University of the Philippines Library, 1977.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.