Hollis, D. B. (2012). The Oxford guide to Treaties. Oxford University Press.
Cita Chicago (17th ed.)Hollis, Duncan B. The Oxford Guide to Treaties. Oxford: Oxford University Press, 2012.
Cita MLA (9th ed.)Hollis, Duncan B. The Oxford Guide to Treaties. Oxford University Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.