Style de citation APA (7e éd.)

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.

Style de citation Chicago (17e éd.)

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.

Style de citation MLA (9e éd.)

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.