Johnson, E. E., Desourdis, R. I., Earle, G. D., Cook, S. C., & Ostergaard, J. C. (1997). Advanced high frequency radio communications. Artech House.
Lua i Stíl Chicago (17ú heag.)Johnson, Eric E., Robert I. Desourdis, Greg D. Earle, Stephen C. Cook, agus Jens C. Ostergaard. Advanced High Frequency Radio Communications. Londres: Artech House, 1997.
Lua MLA (9ú heag.)Johnson, Eric E., et al. Advanced High Frequency Radio Communications. Artech House, 1997.
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