Taylor, B. J., Burgess, I. C., & Land, D. H. (1971). Northern England (4th edition.). Her Majesty's Stationery Office.
Cita Chicago (17th ed.)Taylor, Brian J., I. C. Burgess, i David H. Land. Northern England. 4th edition. London: Her Majesty's Stationery Office, 1971.
Cita MLA (8th ed.)Taylor, Brian J., et al. Northern England. 4th edition. Her Majesty's Stationery Office, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.