Alava, A. S. (2006). Industry report: The problem of sustainable competitive advantage in Philippine call centers. Philippine Management Review.
Čikaški stil citiranja (17. izdanje)Alava, Aileen S. "Industry Report: The Problem of Sustainable Competitive Advantage in Philippine Call Centers." Philippine Management Review 2006.
MLA način citiranja (9. izdanje)Alava, Aileen S. "Industry Report: The Problem of Sustainable Competitive Advantage in Philippine Call Centers." Philippine Management Review, 2006.
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