Sicat, G. P. (1983). Economics. National Book Store.
Cita Chicago (17th ed.)Sicat, Gerardo P. Economics. Metro Manila: National Book Store, 1983.
Cita MLA (9th ed.)Sicat, Gerardo P. Economics. National Book Store, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.