APA (7th ed.) Zitazioa
Widdowson, P. (2006). Graham Swift. Northcote House.
Chicago Style (17th ed.) Zitazioa
Widdowson, Peter. Graham Swift. Tavistock, Devon, UK: Northcote House, 2006.
MLA (9th ed.) Zitazioa
Widdowson, Peter. Graham Swift. Northcote House, 2006.
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