Wallace-Hadrill, J. M. (1971). Early Germanic kingship in England and on the continent: The Ford lectures delivered in the University of Oxford in Hilary Term 1970. Clarendon Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wallace-Hadrill, J. M. Early Germanic Kingship in England and on the Continent: The Ford Lectures Delivered in the University of Oxford in Hilary Term 1970. Oxford: Clarendon Press, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wallace-Hadrill, J. M. Early Germanic Kingship in England and on the Continent: The Ford Lectures Delivered in the University of Oxford in Hilary Term 1970. Clarendon Press, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.