Lamberton, D. M. (1965). The Theory of profit. B. Blackwell.
Tohutoru Kātū Chicago (17th ed.)Lamberton, D. M. The Theory of Profit. Oxford: B. Blackwell, 1965.
Tohutoro MLA (9th ed.)Lamberton, D. M. The Theory of Profit. B. Blackwell, 1965.
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