APA-ийн эшлэл(7 дахь хэвлэлт)

Chopra, J. (1999). Peace-maintenance: The evolution of international political authority. Routledge.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Chopra, Jarat. Peace-maintenance: The Evolution of International Political Authority. London ; New York: Routledge, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Chopra, Jarat. Peace-maintenance: The Evolution of International Political Authority. Routledge, 1999.