Richard Marius. (1994). A short guide to writing about history. New York: HarperCollins.
Dyfyniad Arddull ChicagoRichard Marius. A Short Guide to Writing About History. New York: HarperCollins, 1994.
Dyfyniad MLARichard Marius. A Short Guide to Writing About History. New York: HarperCollins, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.