APA (7th ed.) Citation

De la Torre, H. G. (1977). Health knowledge of elementary teachers in Naga City, 1973-1974 [microform]. Photoduplication Service. University of the Philippines Library.

Chicago Style (17th ed.) Citation

De la Torre, Heidi Gonzales. Health Knowledge of Elementary Teachers in Naga City, 1973-1974 [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9th ed.) Citation

De la Torre, Heidi Gonzales. Health Knowledge of Elementary Teachers in Naga City, 1973-1974 [microform]. Photoduplication Service. University of the Philippines Library, 1977.