Cita APA (7th ed.)

Marcus, A., & Marcus, W. (1973). Elements of radio (6th ed.). National Book Store.

Cita Chicago (17th ed.)

Marcus, Abraham, i William Marcus. Elements of Radio. 6th ed. [Manila: National Book Store, 1973.

Cita MLA (9th ed.)

Marcus, Abraham, i William Marcus. Elements of Radio. 6th ed. National Book Store, 1973.