APA (7e ed.) Bronvermelding

Diaz, P. S. (1974). A study of the common errors in Pilipino theme writing committed by the elementary pupils of Baybay District I Leyte III in 1966-1967 [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Diaz, Presentacion S. A Study of the Common Errors in Pilipino Theme Writing Committed by the Elementary Pupils of Baybay District I Leyte III in 1966-1967 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.

MLA (9e ed.) Bronvermelding

Diaz, Presentacion S. A Study of the Common Errors in Pilipino Theme Writing Committed by the Elementary Pupils of Baybay District I Leyte III in 1966-1967 [microform]. Photoduplication Service, University of the Philippines Library, 1974.