Sekaran, U. (2005). Research methods for business: A skill-building approach. New Jersey: John Wiley.
Παραπομπή Chicago StyleSekaran, Uma. Research Methods for Business: A Skill-building Approach. New Jersey: John Wiley, 2005.
Παραπομπή MLASekaran, Uma. Research Methods for Business: A Skill-building Approach. New Jersey: John Wiley, 2005.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.