Alday, T. G. (1976). The status of science teaching in the intermediate grades of the public elementary schools in the Division of City Schools, Manila, 1966-1967 [microform]. Photoduplication Service University of the Philippines Library.
Citace podle Chicago (17th ed.)Alday, Teofila G. The Status of Science Teaching in the Intermediate Grades of the Public Elementary Schools in the Division of City Schools, Manila, 1966-1967 [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1976.
Citace podle MLA (9th ed.)Alday, Teofila G. The Status of Science Teaching in the Intermediate Grades of the Public Elementary Schools in the Division of City Schools, Manila, 1966-1967 [microform]. Photoduplication Service University of the Philippines Library, 1976.