Zikmund, William G. Business research methods / William G. Zikmund, Barry J. Babin, Jon C. Carr, Mitch Griffin. - 9th edition - Australia : South Western Cengage Learning, 2013. - xxv, 670 pages : illustrations ; 28 cm. ISBN: 9781133190943 (pbk) Subjects--Topical Terms: Business--Research.Management--Research.