Villamor, I. B. Prontuario de practica administratura municipal y provincial por Ignacio Villamor [microform]. Photoduplication Service,University of the Philippines Library.
Čikaški stil citiranja (17. izdanje)Villamor, Ignacio B. Prontuario De Practica Administratura Municipal Y Provincial Por Ignacio Villamor [microform]. Quezon City: Photoduplication Service,University of the Philippines Library.
MLA način citiranja (9. izdanje)Villamor, Ignacio B. Prontuario De Practica Administratura Municipal Y Provincial Por Ignacio Villamor [microform]. Photoduplication Service,University of the Philippines Library.
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