David, S. A. (1974). An evaluative study of the in-service education of public secondary school teachers in the Division of Pampanga 1966-1970 [microform]. Photoduplication Service, University of the Philippines Library.
Chicagoスタイル(17版)引用形式David, Soledad Albis. An Evaluative Study of the In-service Education of Public Secondary School Teachers in the Division of Pampanga 1966-1970 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
MLA(9版)引用形式David, Soledad Albis. An Evaluative Study of the In-service Education of Public Secondary School Teachers in the Division of Pampanga 1966-1970 [microform]. Photoduplication Service, University of the Philippines Library, 1974.
警告: この引用は必ずしも正確ではありません.