Dyfyniad APA

GRAY, A. S. The development of economic doctrine#An introductory survey#Alexander Gray. Longanns Northumberland Press.

Dyfyniad Arddull Chicago

GRAY, Alexander Sir. The Development of Economic Doctrine#An Introductory Survey#Alexander Gray. Longanns Northumberland Press.

Dyfyniad MLA

GRAY, Alexander Sir. The Development of Economic Doctrine#An Introductory Survey#Alexander Gray. Longanns Northumberland Press.

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