Holford, M. L., & Stringer, K. J. (2010). Border liberties and loyalties: North-east England, c.1200 - c.1400. Edinburgh University Press.
Cita Chicago (17th ed.)Holford, M. L., i K. J. Stringer. Border Liberties and Loyalties: North-east England, C.1200 - C.1400. Edinburgh: Edinburgh University Press, 2010.
Cita MLA (9th ed.)Holford, M. L., i K. J. Stringer. Border Liberties and Loyalties: North-east England, C.1200 - C.1400. Edinburgh University Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.