APA (7e ed.) Bronvermelding

Comia, P. E. (1975). A survey of first year student failures in the public schools of Manila during the school year 1952-1953 [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Comia, Purita Enriquez. A Survey of First Year Student Failures in the Public Schools of Manila During the School Year 1952-1953 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.

MLA (9e ed.) Bronvermelding

Comia, Purita Enriquez. A Survey of First Year Student Failures in the Public Schools of Manila During the School Year 1952-1953 [microform]. Photoduplication Service, University of the Philippines Library, 1975.