KAGAN, D. (1962). Decline and fall of the Roman empire: Why did it collapse? D.C. Heath.
Chicago (17e ed.) BronvermeldingKAGAN, Donald. Decline and Fall of the Roman Empire: Why Did It Collapse? Boston: D.C. Heath, 1962.
MLA (9e ed.) BronvermeldingKAGAN, Donald. Decline and Fall of the Roman Empire: Why Did It Collapse? D.C. Heath, 1962.
Let op: Deze citaties zijn niet altijd 100% accuraat.