Launius, R. D., & McCurdy, H. E. (2008). Robots in space: Technology, evolution, and interplanetary travel. Johns Hopkins University Press.
Chicago-čujuhus (17. p.)Launius, Roger D., juo Howard E. McCurdy. Robots in Space: Technology, Evolution, and Interplanetary Travel. Baltimore: Johns Hopkins University Press, 2008.
MLA-čujuhus (9. p.)Launius, Roger D., juo Howard E. McCurdy. Robots in Space: Technology, Evolution, and Interplanetary Travel. Johns Hopkins University Press, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.