Chopra, J. (1999). Peace-maintenance: The evolution of international political authority. Routledge.
Chicago-viite (17. p.)Chopra, Jarat. Peace-maintenance: The Evolution of International Political Authority. London ; New York: Routledge, 1999.
MLA-viite (9. p.)Chopra, Jarat. Peace-maintenance: The Evolution of International Political Authority. Routledge, 1999.
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