Carrera, P. B. (1976). A survey of the study habits of the first year students of the San Francisco High School in the Division of Quezon City during the school year 1966-1967 [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Carrera, Prediosisima Bautista. A Survey of the Study Habits of the First Year Students of the San Francisco High School in the Division of Quezon City During the School Year 1966-1967 [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
MLA-referens (9:e uppl.)Carrera, Prediosisima Bautista. A Survey of the Study Habits of the First Year Students of the San Francisco High School in the Division of Quezon City During the School Year 1966-1967 [microform]. Photoduplication Service. University of the Philippines Library, 1976.