Galvez, M. (1999). Bugkalots: From head-hunters to legitimate businessmen. Philippine Star.
Chicago-viite (17. p.)Galvez, Manny. "Bugkalots: From Head-hunters to Legitimate Businessmen." Philippine Star 1999.
MLA-viite (9. p.)Galvez, Manny. "Bugkalots: From Head-hunters to Legitimate Businessmen." Philippine Star, 1999.
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