एपीए उद्धरण

Oster, S. M. (1990). Modern competitive analysis. Oxford University Press.

शिकागो स्टाइल उद्धरण

Oster, Sharon M. Modern Competitive Analysis. New York: Oxford University Press, 1990.

एमएलए उद्धरण

Oster, Sharon M. Modern Competitive Analysis. Oxford University Press, 1990.