Norton, D., & Norton, D. (1993). From 1700 to the present day. Cambridge Univ. Press.
Chicago-Zitierstil (17. Ausg.)Norton, David, und David Norton. From 1700 to the Present Day. Cambridge [u.a.]: Cambridge Univ. Press, 1993.
MLA-Zitierstil (8. Ausg.)Norton, David, und David Norton. From 1700 to the Present Day. Cambridge Univ. Press, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.