Williamson, M. (2001). The Cambridge dictionary of space technology. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Williamson, Mark. The Cambridge Dictionary of Space Technology. Cambridge, U.K: Cambridge University Press, 2001.
Lua MLA (9ú heag.)Williamson, Mark. The Cambridge Dictionary of Space Technology. Cambridge University Press, 2001.
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