(1980). Satellite communications. Northwood, England : Online Pub.
Chicago-čujuhus (17. p.)Satellite Communications. Northwood, England : Online Pub, 1980.
MLA-čujuhus (9. p.)Satellite Communications. Northwood, England : Online Pub, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.