Παραπομπή APA
Sekaran, U. (2003). Research methods for business: A skill-building approach (4th ed.). New York: John Wiley & Sons.
Παραπομπή Chicago StyleSekaran, Uma. Research Methods for Business: A Skill-building Approach. 4th ed. New York: John Wiley & Sons, 2003.
Παραπομπή MLASekaran, Uma. Research Methods for Business: A Skill-building Approach. 4th ed. New York: John Wiley & Sons, 2003.
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