Dyfyniad APA

Gray, A. (1931). The development of economic doctrine: An introductory survey. Longmans.

Dyfyniad Arddull Chicago

Gray, Alexander. The Development of Economic Doctrine: An Introductory Survey. London: Longmans, 1931.

Dyfyniad MLA

Gray, Alexander. The Development of Economic Doctrine: An Introductory Survey. Longmans, 1931.

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