APA (7. basım) Alıntı

WESTERMANN, W. L. (1955). The Slave systems of Greek and Roman antiquity. The American philosophical society.

Chicago Style (17. basım) Atıf

WESTERMANN, William L. The Slave Systems of Greek and Roman Antiquity. Philadelphia: The American philosophical society, 1955.

MLA (9th ed.) Atıf

WESTERMANN, William L. The Slave Systems of Greek and Roman Antiquity. The American philosophical society, 1955.