Katigbak, T. (1998). Poor leadership becomes major economic concern. Philippine Star.
Čikaški stil citiranja (17. izdanje)Katigbak, Tony. "Poor Leadership Becomes Major Economic Concern." Philippine Star 1998.
MLA način citiranja (9. izdanje)Katigbak, Tony. "Poor Leadership Becomes Major Economic Concern." Philippine Star, 1998.
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