APA (7e ed.) Bronvermelding

Scharrenberg, P. (1976). The Philippine problem [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Scharrenberg, Paul. The Philippine Problem [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.

MLA (9e ed.) Bronvermelding

Scharrenberg, Paul. The Philippine Problem [microform]. Photoduplication Service, University of the Philippines Library, 1976.