Ferreria, A. (2001). Do you meet customer expectations consistently?. IN Entrepreneurs' help-line [column]. Philippine Star.
Čikaški stil citiranja (17. izdanje)Ferreria, Alejandrino. "Do You Meet Customer Expectations Consistently?. IN Entrepreneurs' Help-line [column]." Philippine Star 2001.
MLA način citiranja (9. izdanje)Ferreria, Alejandrino. "Do You Meet Customer Expectations Consistently?. IN Entrepreneurs' Help-line [column]." Philippine Star, 2001.
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