APA (7. basım) Alıntı

Villa, E. R. (1976). Difficulties in science and teaching in the elementary schools of Oroquieta, Misamis Occidental [microform]. Photoduplication Service University of the Philippines Library.

Chicago Style (17. basım) Atıf

Villa, Elyshea Roa. Difficulties in Science and Teaching in the Elementary Schools of Oroquieta, Misamis Occidental [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1976.

MLA (9th ed.) Atıf

Villa, Elyshea Roa. Difficulties in Science and Teaching in the Elementary Schools of Oroquieta, Misamis Occidental [microform]. Photoduplication Service University of the Philippines Library, 1976.