Wurmbrand, R. (1968). Under -Ground saints. Feming H. Revell.
Chicago-čujuhus (17. p.)Wurmbrand, Richard. Under -Ground Saints. New Jersey: Feming H. Revell, 1968.
MLA-čujuhus (9. p.)Wurmbrand, Richard. Under -Ground Saints. Feming H. Revell, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.