एपीए उद्धरण

Alt,James.E. (1990). Perspectives on positive political economy. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Alt,James.E. Perspectives on Positive Political Economy. Cambridge: Cambridge University Press, 1990.

एमएलए उद्धरण

Alt,James.E. Perspectives on Positive Political Economy. Cambridge University Press, 1990.