Frost, J. M. (1975). World Radio TV Handbook 1975: A complete Directory of International Radio and Television (29th.). Billboard.
Cita Chicago Style (17a ed.)Frost, J. M. World Radio TV Handbook 1975: A Complete Directory of International Radio and Television. 29th. Londres - Nueva York: Billboard, 1975.
Cita MLA (8a ed.)Frost, J. M. World Radio TV Handbook 1975: A Complete Directory of International Radio and Television. 29th. Billboard, 1975.
Precaución: Estas citas no son 100% exactas.