Best, A., & Best, A. . .. (2004). International history of the twentieth century. Routledge.
Cita Chicago (17th ed.)Best, Antony, i Antony Best. International History of the Twentieth Century. London: Routledge, 2004.
Cita MLA (9th ed.)Best, Antony, i Antony Best. International History of the Twentieth Century. Routledge, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.