Payumo, P. R., & Ferrer, D. C. (1987). Philippine and international radio laws and regulations (with explanations) (Rev. ed.). National Book Store.
Цитирование в стиле Чикаго (17-е изд.)Payumo, Pablo R., и Daniel C. Ferrer. Philippine and International Radio Laws and Regulations (with Explanations). Rev. ed. Manila: National Book Store, 1987.
Цитирование MLA (9-е изд.)Payumo, Pablo R., и Daniel C. Ferrer. Philippine and International Radio Laws and Regulations (with Explanations). Rev. ed. National Book Store, 1987.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.