(2018). Journal of Space Technology. Institute of space technology.
Chicago-čujuhus (17. p.)Journal of Space Technology. Institute of space technology, 2018.
MLA-čujuhus (9. p.)Journal of Space Technology. Institute of space technology, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.