Payumo, P. R. (1990). Philippine and international radio laws and regulations (with explanation). National Book Store.
Chicago-Zitierstil (17. Ausg.)Payumo, Pablo R. Philippine and International Radio Laws and Regulations (with Explanation). Manila: National Book Store, 1990.
MLA-Zitierstil (9. Ausg.)Payumo, Pablo R. Philippine and International Radio Laws and Regulations (with Explanation). National Book Store, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.