Lyman, R. W., & Spitz, L. W. (1965). Major crises in Western civilization: The Greeks to 1660. Harcourt, Brace.
Dyfyniad Arddull ChicagoLyman, Richard W., and Lewis W. Spitz. Major Crises in Western Civilization: The Greeks to 1660. New York: Harcourt, Brace, 1965.
Dyfyniad MLALyman, Richard W., and Lewis W. Spitz. Major Crises in Western Civilization: The Greeks to 1660. Harcourt, Brace, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.