APA način citiranja (7. izdanje)

Alfiler, M. C. P. (1999). Philippine administrative system. University of the Philippines Open University.

Čikaški stil citiranja (17. izdanje)

Alfiler, Ma. Concepcion P. Philippine Administrative System. Quezon City: University of the Philippines Open University, 1999.

MLA način citiranja (9. izdanje)

Alfiler, Ma. Concepcion P. Philippine Administrative System. University of the Philippines Open University, 1999.