Holford, M. L., & Stringer, K. J. (2010). Border liberties and loyalties: North-east England, c.1200 - c.1400. Edinburgh University Press.
Citazione stile Chigago Style (17a edizione)Holford, M. L., e K. J. Stringer. Border Liberties and Loyalties: North-east England, C.1200 - C.1400. Edinburgh: Edinburgh University Press, 2010.
Citatione MLA (9a ed.)Holford, M. L., e K. J. Stringer. Border Liberties and Loyalties: North-east England, C.1200 - C.1400. Edinburgh University Press, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.