Dyfyniad APA

Ballvé, F. (1963). Essentials of economics: A brief survey of principles and policies. Van Nostrand.

Dyfyniad Arddull Chicago

Ballvé, Faustino. Essentials of Economics: A Brief Survey of Principles and Policies. Princeton, N.J.: Van Nostrand, 1963.

Dyfyniad MLA

Ballvé, Faustino. Essentials of Economics: A Brief Survey of Principles and Policies. Van Nostrand, 1963.

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