APA (7e ed.) Bronvermelding
Guinness, O. (1976). In two minds: The dilemma of doubt & how to resolve it. InterVarsity Press.
Chicago (17e ed.) Bronvermelding
Guinness, Os. In Two Minds: The Dilemma of Doubt & How to Resolve It. Downers Grove, Ill.: InterVarsity Press, 1976.
MLA (9e ed.) Bronvermelding
Guinness, Os. In Two Minds: The Dilemma of Doubt & How to Resolve It. InterVarsity Press, 1976.
Let op: Deze citaties zijn niet altijd 100% accuraat.