APA citiranje

De Leon, H. S. (1997). Textbook on the Philippine constitution. Rex Printing Co.

Chicago Style (17th ed.) Citation

De Leon, Hector S. Textbook on the Philippine Constitution. Quezon City: Rex Printing Co, 1997.

MLA citiranje

De Leon, Hector S. Textbook on the Philippine Constitution. Rex Printing Co, 1997.