de Figueiredo, R. Cooperative Intelligent Robotics in Space. SPIE Digital Library.
Chicago-čujuhus (17. p.)de Figueiredo, Rui. Cooperative Intelligent Robotics in Space. SPIE Digital Library.
MLA-čujuhus (9. p.)de Figueiredo, Rui. Cooperative Intelligent Robotics in Space. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.