APA (7th ed.) Zitazioa
Schuller, R. H. (1971). How to live confidently in troubled times (ed.). Tyndale.
Chicago Style (17th ed.) Zitazioa
Schuller, Robert H. How to Live Confidently in Troubled Times. ed. Illinois: Tyndale, 1971.
MLA (9th ed.) Zitazioa
Schuller, Robert H. How to Live Confidently in Troubled Times. ed. Tyndale, 1971.
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