APA (7th ed.) Zitazioa
De Bellis, J., & Silcox, D. P. (2013). John Updike's early years. Lehigh University Press.
Chicago Style (17th ed.) Zitazioa
De Bellis, Jack, eta David P. Silcox. John Updike's Early Years. Bethlehem, PA: Lehigh University Press, 2013.
MLA (9th ed.) Zitazioa
De Bellis, Jack, eta David P. Silcox. John Updike's Early Years. Lehigh University Press, 2013.
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