Cita APA (7th ed.)

Cristobal, E. M. (1976). The status of elementary science teaching in some schools of Ilocos Norte, 1968-1969 [microform]. Photoduplication Service, University of the Philippines Library.

Cita Chicago (17th ed.)

Cristobal, Erlinda M. The Status of Elementary Science Teaching in Some Schools of Ilocos Norte, 1968-1969 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.

Cita MLA (9th ed.)

Cristobal, Erlinda M. The Status of Elementary Science Teaching in Some Schools of Ilocos Norte, 1968-1969 [microform]. Photoduplication Service, University of the Philippines Library, 1976.