Dyfyniad APA

Tolfree, W. R. (1962). Notes on Economic Theory (Second edition.). London: Pitman Publishing.

Dyfyniad Arddull Chicago

Tolfree, W. Reay. Notes On Economic Theory. Second edition. London: Pitman Publishing, 1962.

Dyfyniad MLA

Tolfree, W. Reay. Notes On Economic Theory. Second edition. London: Pitman Publishing, 1962.

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