Cita APA (7th ed.)

De Leon, H. S., & De Leon, H. M. J. (2013). Constitution made simple (Fourth edition.). Rex Book Store.

Cita Chicago (17th ed.)

De Leon, Hector S., i Hector M. Jr De Leon. Constitution Made Simple. Fourth edition. Manila: Rex Book Store, 2013.

Cita MLA (9th ed.)

De Leon, Hector S., i Hector M. Jr De Leon. Constitution Made Simple. Fourth edition. Rex Book Store, 2013.