Edralin, D. M. (2006). Business research: Concepts and applications (3rd ed.). De La Salle University Press.
Chicago Style (17. basım) AtıfEdralin, Divina M. Business Research: Concepts and Applications. 3rd ed. Manila: De La Salle University Press, 2006.
MLA (9th ed.) AtıfEdralin, Divina M. Business Research: Concepts and Applications. 3rd ed. De La Salle University Press, 2006.
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