एपीए उद्धरण

Cohen,Kalman J. (1976). Theory of the firm: Resource allocation in a market economy (2.). Prentice Hall.

शिकागो स्टाइल उद्धरण

Cohen,Kalman J. Theory of the Firm: Resource Allocation in a Market Economy. 2. New Delhi: Prentice Hall, 1976.

एमएलए उद्धरण

Cohen,Kalman J. Theory of the Firm: Resource Allocation in a Market Economy. 2. Prentice Hall, 1976.