APA (7e ed.) Bronvermelding

Ilustre, C. P. (1980). The social rate of return to higher education in the Philippines [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Ilustre, Carmela P. The Social Rate of Return to Higher Education in the Philippines [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1980.

MLA (9e ed.) Bronvermelding

Ilustre, Carmela P. The Social Rate of Return to Higher Education in the Philippines [microform]. Photoduplication Service, University of the Philippines Library, 1980.