Johnson, E. E. (1997). Advanced high-frequency radio communications. Artech House.
Cita Chicago Style (17a ed.)Johnson, Eric E. Advanced High-frequency Radio Communications. Boston [etc.]: Artech House, 1997.
Cita MLA (9a ed.)Johnson, Eric E. Advanced High-frequency Radio Communications. Artech House, 1997.
Precaución: Estas citas no son 100% exactas.