Dyfyniad APA

WAEHRER, H. Y. (1973). Student Exercise Book: Lancaster for modern economics, principles and policy. Rand McNally & Company.

Dyfyniad Arddull Chicago

WAEHRER, Helen Youngelson. Student Exercise Book: Lancaster for Modern Economics, Principles and Policy. Rand McNally & Company, 1973.

Dyfyniad MLA

WAEHRER, Helen Youngelson. Student Exercise Book: Lancaster for Modern Economics, Principles and Policy. Rand McNally & Company, 1973.

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