Alonzo, E. C. (1977). The use of programmed text material in teaching rice culture in some secondary agricultural schools in the Philippines [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style aipamenaAlonzo, Eriberto Cuizon. The Use of Programmed Text Material in Teaching Rice Culture in Some Secondary Agricultural Schools in the Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA aipamenaAlonzo, Eriberto Cuizon. The Use of Programmed Text Material in Teaching Rice Culture in Some Secondary Agricultural Schools in the Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.