APA (7th ed.) Citation

Udomphun, S. (1977). Problems of mathematics teachers of public secondary schools in Quezon City [microform]. Photoduplication Service. University of the Philippines Library.

Chicago Style (17th ed.) Citation

Udomphun, Sirisuk. Problems of Mathematics Teachers of Public Secondary Schools in Quezon City [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9th ed.) Citation

Udomphun, Sirisuk. Problems of Mathematics Teachers of Public Secondary Schools in Quezon City [microform]. Photoduplication Service. University of the Philippines Library, 1977.