Cita APA (7a ed.)

Tongko, P. L. (1988). The Philippine government (rev. ed.). National Book Store.

Cita Chicago Style (17a ed.)

Tongko, Primo L. The Philippine Government. rev. ed. Metro Manila: National Book Store, 1988.

Cita MLA (9a ed.)

Tongko, Primo L. The Philippine Government. rev. ed. National Book Store, 1988.