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.
Čikaški stil citiranja (17. izdanje)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 način citiranja (9. izdanje)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.