APA (7th ed.) Zitazioa
Barrett, E. (1960). Storytelling: It's easy! Zondervan.
Chicago Style (17th ed.) Zitazioa
Barrett, Ethel. Storytelling: It's Easy! Grand Rapids: Zondervan, 1960.
MLA (9th ed.) Zitazioa
Barrett, Ethel. Storytelling: It's Easy! Zondervan, 1960.
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