Villanueva, M. A. (2001). GMA to workers: Accept COLA as non-wage benefit. Philippine Star.
Chicago-viite (17. p.)Villanueva, Marichu A. "GMA to Workers: Accept COLA as Non-wage Benefit." Philippine Star 2001.
MLA-viite (9. p.)Villanueva, Marichu A. "GMA to Workers: Accept COLA as Non-wage Benefit." Philippine Star, 2001.
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