Dyfyniad APA

Gray, A. (1931). Development of economic doctrine: An introductory survey.

Dyfyniad Arddull Chicago

Gray, Alexander. Development of Economic Doctrine: An Introductory Survey. Longmans Green & Company, London, 1931.

Dyfyniad MLA

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

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