Agtarap, C. I. (1974). Teaching mathematics in the Ilocos Norte National High Schoo, Laoag City, and Bacarra National Comprehensive High School, Bacarra, Ilocos Norte: 1970-1971 [microform]. Photoduplication Service, University of the Philippines Library.
Chicagoスタイル(17版)引用形式Agtarap, Conchita I. Teaching Mathematics in the Ilocos Norte National High Schoo, Laoag City, and Bacarra National Comprehensive High School, Bacarra, Ilocos Norte: 1970-1971 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
MLA(9版)引用形式Agtarap, Conchita I. Teaching Mathematics in the Ilocos Norte National High Schoo, Laoag City, and Bacarra National Comprehensive High School, Bacarra, Ilocos Norte: 1970-1971 [microform]. Photoduplication Service, University of the Philippines Library, 1974.