Dyfyniad APA

(1970). The fall of Rome: Can it be explained ? (2nd ed.). Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

The Fall of Rome: Can It Be Explained ? 2nd ed. New York: Holt, Rinehart and Winston, 1970.

Dyfyniad MLA

The Fall of Rome: Can It Be Explained ? 2nd ed. Holt, Rinehart and Winston, 1970.

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