एपीए उद्धरण

Levi, W. (1974). International politics: Foundations of the system. University of Minnesota Press.

शिकागो स्टाइल उद्धरण

Levi, Werner. International Politics: Foundations of the System. Minneapolis: University of Minnesota Press, 1974.

एमएलए उद्धरण

Levi, Werner. International Politics: Foundations of the System. University of Minnesota Press, 1974.