American Radio Relay League. (1968). The radio amateur's handbook (45a. ed.). American Radio Relay League.
Chicago-čujuhus (17. p.)American Radio Relay League. The Radio Amateur's Handbook. 45a. ed. Newington: American Radio Relay League, 1968.
MLA-čujuhus (9. p.)American Radio Relay League. The Radio Amateur's Handbook. 45a. ed. American Radio Relay League, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.