JOHNSON, P. &. o. BUSINESS ECONOMICS.
Chicago Style (17. basım) AtıfJOHNSON, P.A. & others. BUSINESS ECONOMICS.
MLA (9th ed.) AtıfJOHNSON, P.A. & others. BUSINESS ECONOMICS.
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JOHNSON, P. &. o. BUSINESS ECONOMICS.
Chicago Style (17. basım) AtıfJOHNSON, P.A. & others. BUSINESS ECONOMICS.
MLA (9th ed.) AtıfJOHNSON, P.A. & others. BUSINESS ECONOMICS.