Launius, R. D., & McCurdy, H. E. (2008). Robots in space: Technology, evolution, and interplanetary travel. Johns Hopkins University Press.
Lua i Stíl Chicago (17ú heag.)Launius, Roger D., agus Howard E. McCurdy. Robots in Space: Technology, Evolution, and Interplanetary Travel. Baltimore: Johns Hopkins University Press, 2008.
Lua MLA (9ú heag.)Launius, Roger D., agus Howard E. McCurdy. Robots in Space: Technology, Evolution, and Interplanetary Travel. Johns Hopkins University Press, 2008.
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