APA (7th ed.) Zitazioa
Harper, M. (1979). You are my sons. Hodder and Stoughton.
Chicago Style (17th ed.) Zitazioa
Harper, Michael. You Are My Sons. London: Hodder and Stoughton, 1979.
MLA (9th ed.) Zitazioa
Harper, Michael. You Are My Sons. Hodder and Stoughton, 1979.
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