Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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