Perez, J. R. (1976). Problems in the planning and implementation of in-service education program of public elementary schools in the Division of South Cotabato [microform]. Photoduplication Service. University of the Philippines Library.
Citação do estilo Chicago (17ª ed.)Perez, Jose Recto. Problems in the Planning and Implementation of In-service Education Program of Public Elementary Schools in the Division of South Cotabato [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
Citação MLA (9ª ed.)Perez, Jose Recto. Problems in the Planning and Implementation of In-service Education Program of Public Elementary Schools in the Division of South Cotabato [microform]. Photoduplication Service. University of the Philippines Library, 1976.