APA (7th ed.) Zitazioa
Thielicke, H. (1979). Being a Christian when the chips are down. Fortress Press.
Chicago Style (17th ed.) Zitazioa
Thielicke, Helmut. Being a Christian When the Chips Are Down. Philadelphia: Fortress Press, 1979.
MLA (9th ed.) Zitazioa
Thielicke, Helmut. Being a Christian When the Chips Are Down. Fortress Press, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.