Hansen, J. (1981). A smile in his lifetime: Joseph Hansen (1. Auflage.). Holt, Rinehart and Winston.
Chicago-Zitierstil (17. Ausg.)Hansen, Joseph. A Smile in His Lifetime: Joseph Hansen. 1. Auflage. New York: Holt, Rinehart and Winston, 1981.
MLA-Zitierstil (8. Ausg.)Hansen, Joseph. A Smile in His Lifetime: Joseph Hansen. 1. Auflage. Holt, Rinehart and Winston, 1981.
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