Call, L. E. (1956). The College of Agriculture and Central Experiment Station, University of the Philippines, January 27, 1951 to December 31, 1955: Progress report. International Cooperation Administration, United States of America Operations Mission to the Philippines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCall, Leland E. The College of Agriculture and Central Experiment Station, University of the Philippines, January 27, 1951 to December 31, 1955: Progress Report. Manila: International Cooperation Administration, United States of America Operations Mission to the Philippines, 1956.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCall, Leland E. The College of Agriculture and Central Experiment Station, University of the Philippines, January 27, 1951 to December 31, 1955: Progress Report. International Cooperation Administration, United States of America Operations Mission to the Philippines, 1956.