De Leon, H. S., & De Leon, H. M. J. (1994). The law on public officers and election law (2nd ed.). Rex Book Store.
Chicago-viite (17. p.)De Leon, Hector S., ja Hector M. Jr De Leon. The Law on Public Officers and Election Law. 2nd ed. Manila: Rex Book Store, 1994.
MLA-viite (9. p.)De Leon, Hector S., ja Hector M. Jr De Leon. The Law on Public Officers and Election Law. 2nd ed. Rex Book Store, 1994.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.