Bulatao, V. G. (1976). A study of the improvement of instruction in "new" social studies through in-service education in Lumban District [microform]. Photoduplication Service. University of the Philippines Library.
Chicagoスタイル(17版)引用形式Bulatao, Virginia Gaza. A Study of the Improvement of Instruction in "New" Social Studies Through In-service Education in Lumban District [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
MLA(9版)引用形式Bulatao, Virginia Gaza. A Study of the Improvement of Instruction in "New" Social Studies Through In-service Education in Lumban District [microform]. Photoduplication Service. University of the Philippines Library, 1976.
警告: この引用は必ずしも正確ではありません.