APA (7th ed.) Citation

Liban, P. T. (1976). Classroom observation: Its use by public school division supervisors in Cagayan [microform]. Photoduplication Service, University of the Philippines Library.

Chicago Style (17th ed.) Citation

Liban, Pura Tumada. Classroom Observation: Its Use by Public School Division Supervisors in Cagayan [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.

MLA (9th ed.) Citation

Liban, Pura Tumada. Classroom Observation: Its Use by Public School Division Supervisors in Cagayan [microform]. Photoduplication Service, University of the Philippines Library, 1976.