Space mankind's fourth environment
edited by L.G. Napolitano
Pergamon Press, 1982
 Buku Teks SO
Space mankind's fourth environment
edited by L.G. Napolitano
Pergamon Press, 1976
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Martin, James
Future developments in telecommunications
Prentice-Hall, 1977
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Space craft: developments in architectural computing
edited by David Littlefield
[RIBA, RIBA], 2008
 eBooks
Gorove, Stephen
Developments in space law issues and policies
Martinus Nijhoff , 1991
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