The Institute of Electrical Engineers & Brown, M. P. (1981). Compendium of communication and broadcast satellites 1958 to 1980.
Lua i Stíl Chicago (17ú heag.)The Institute of Electrical Engineers agus Martin P. Brown. Compendium of Communication and Broadcast Satellites 1958 to 1980. New York, 1981.
Lua MLA (8ú heag.)The Institute of Electrical Engineers agus Martin P. Brown. Compendium of Communication and Broadcast Satellites 1958 to 1980. 1981.
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