Cheong, J. W. (1977). The university extension programs and their impact: The case of University of the Philippines, College of Agriculture [microform]. Photoduplication Service. University of the Philippines Library.
Chicago (17e ed.) BronvermeldingCheong, Ji Woong. The University Extension Programs and Their Impact: The Case of University of the Philippines, College of Agriculture [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9e ed.) BronvermeldingCheong, Ji Woong. The University Extension Programs and Their Impact: The Case of University of the Philippines, College of Agriculture [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Let op: Deze citaties zijn niet altijd 100% accuraat.