APA (7. basım) Alıntı

De Leon, H. S. (1999). Textbook on the Philippine Constitution (1999 ed.). Rex Book Store.

Chicago Style (17. basım) Atıf

De Leon, Hector S. Textbook on the Philippine Constitution. 1999 ed. Manila: Rex Book Store, 1999.

MLA (9th ed.) Atıf

De Leon, Hector S. Textbook on the Philippine Constitution. 1999 ed. Rex Book Store, 1999.