Burdick, E. a. W. (1962). Fail-safe. The Companion Book Club.
Chicago-čujuhus (17. p.)Burdick, Eugene and Wheeler. Fail-safe. Londres, Inglaterra: The Companion Book Club, 1962.
MLA-čujuhus (9. p.)Burdick, Eugene and Wheeler. Fail-safe. The Companion Book Club, 1962.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.