Karlsen, R. Unmanned Systems Technology XV. SPIE Digital Library.
Chicago-čujuhus (17. p.)Karlsen, Robert. Unmanned Systems Technology XV. SPIE Digital Library.
MLA-čujuhus (9. p.)Karlsen, Robert. Unmanned Systems Technology XV. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.