Payumo, P. R. (2006). Philippine and international radio laws and regulations (with explanations): Telecommunications laws and regulations, e-information, and e-communications laws and regulations (13th & 14th ed.). National Book Store.
Chicago Style (17th ed.) CitationPayumo, Pablo R. Philippine and International Radio Laws and Regulations (with Explanations): Telecommunications Laws and Regulations, E-information, and E-communications Laws and Regulations. 13th & 14th ed. Mandaluyong City: National Book Store, 2006.
MLA (9th ed.) CitationPayumo, Pablo R. Philippine and International Radio Laws and Regulations (with Explanations): Telecommunications Laws and Regulations, E-information, and E-communications Laws and Regulations. 13th & 14th ed. National Book Store, 2006.