Abecia, V. P. (1975). Correlation between local conditions in Zamboanga Del Sur and the causes of breakdowns and methods of maintenance of farm equipment used in that province [microform]. Photoduplication Service, University of the Philippines Library.
Chicagoスタイル(17版)引用形式Abecia, Victorio P. Correlation Between Local Conditions in Zamboanga Del Sur and the Causes of Breakdowns and Methods of Maintenance of Farm Equipment Used in That Province [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.
MLA(9版)引用形式Abecia, Victorio P. Correlation Between Local Conditions in Zamboanga Del Sur and the Causes of Breakdowns and Methods of Maintenance of Farm Equipment Used in That Province [microform]. Photoduplication Service, University of the Philippines Library, 1975.