APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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