APA (7e ed.) Bronvermelding

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.) Bronvermelding

Cheong, 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.) Bronvermelding

Cheong, 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.