एपीए उद्धरण

Blaug,Mark. (1978). Economic theory in retrospect (3.). Cambridge University Press.

शिकागो स्टाइल उद्धरण

Blaug,Mark. Economic Theory in Retrospect. 3. London: Cambridge University Press, 1978.

एमएलए उद्धरण

Blaug,Mark. Economic Theory in Retrospect. 3. Cambridge University Press, 1978.