Jones, H. Spencer
Life on other worlds
Macmillan, 1956
Buku Teks
Kitchin, Chris
Exoplanets : finding, exploring, and understanding alien worlds
[Springer, ], 2012
eBooks
Sagan, Carl
Planets
Time Incorporated, 1966
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Moore, Patrick
A guide to the planets
W.W. Norton & Co., 1954
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Achenbach, Joel
Captured by aliens: the search for life and truth in a very large universe
Simon & Schuster, 1999
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