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.) BronvermeldingIlustre, 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.) BronvermeldingIlustre, Carmela P. The Social Rate of Return to Higher Education in the Philippines [microform]. Photoduplication Service, University of the Philippines Library, 1980.
Let op: Deze citaties zijn niet altijd 100% accuraat.