APA-čujuhus (7. p.)
Guinness, O. (1976). In two minds: The dilemma of doubt & how to resolve it. InterVarsity Press.
Chicago-čujuhus (17. p.)
Guinness, Os. In Two Minds: The Dilemma of Doubt & How to Resolve It. Downers Grove, Ill.: InterVarsity Press, 1976.
MLA-čujuhus (9. p.)
Guinness, Os. In Two Minds: The Dilemma of Doubt & How to Resolve It. InterVarsity Press, 1976.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.