APA-čujuhus (7. p.)

SEKARAN UMA. (2010). RESEARCH METHODS FOR BUSINESS (4th.). WILEY INDIA.

Chicago-čujuhus (17. p.)

SEKARAN UMA. RESEARCH METHODS FOR BUSINESS. 4th. NOIDA: WILEY INDIA, 2010.

MLA-čujuhus (9. p.)

SEKARAN UMA. RESEARCH METHODS FOR BUSINESS. 4th. WILEY INDIA, 2010.

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