Dyfyniad APA

Spitz, L. W., & Lyman, R. W. (1965). Major crises in western civilization: Greeks to 1960. Harcourt, Brace and world Inc.

Dyfyniad Arddull Chicago

Spitz, Lewis W., and Richard W. Lyman. Major Crises in Western Civilization: Greeks to 1960. New York: Harcourt, Brace and world Inc, 1965.

Dyfyniad MLA

Spitz, Lewis W., and Richard W. Lyman. Major Crises in Western Civilization: Greeks to 1960. Harcourt, Brace and world Inc, 1965.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.