Crépin, A. (2011). England and the Continent in the Tenth Century. Studies in Honour of Wilhelm Levison (1876–1947), éd. David ROLLASON, Conrad LEYSER, Hannah WILLIAMS, Turnhout, Brepols, 2010 ; 1 vol. in-8o, XXVI–573 p. (Studies in the Early Middle Ages, 37). ISBN : 978-2-503-53208-0. Prix : € 115,00.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Crépin, André. England and the Continent in the Tenth Century. Studies in Honour of Wilhelm Levison (1876–1947), éd. David ROLLASON, Conrad LEYSER, Hannah WILLIAMS, Turnhout, Brepols, 2010 ; 1 Vol. In-8o, XXVI–573 p. (Studies in the Early Middle Ages, 37). ISBN : 978-2-503-53208-0. Prix : € 115,00. 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Crépin, André. England and the Continent in the Tenth Century. Studies in Honour of Wilhelm Levison (1876–1947), éd. David ROLLASON, Conrad LEYSER, Hannah WILLIAMS, Turnhout, Brepols, 2010 ; 1 Vol. In-8o, XXVI–573 p. (Studies in the Early Middle Ages, 37). ISBN : 978-2-503-53208-0. Prix : € 115,00. 2011.