Zikmund, W. G. (2003). Business Research Methods (10th ed.). Tata McGraw-Hill.
Cita Chicago Style (17a ed.)Zikmund, William G. Business Research Methods. 10th ed. New Delhi: Tata McGraw-Hill, 2003.
Cita MLA (9a ed.)Zikmund, William G. Business Research Methods. 10th ed. Tata McGraw-Hill, 2003.
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