Estavillo, E. P. (2012). Hahahappy moments at the workplace. IN Laughingly yours [column]. Philippine Star.
Chicago-viite (17. p.)Estavillo, Elvie Punzalan. "Hahahappy Moments at the Workplace. IN Laughingly Yours [column]." Philippine Star 2012.
MLA-viite (9. p.)Estavillo, Elvie Punzalan. "Hahahappy Moments at the Workplace. IN Laughingly Yours [column]." Philippine Star, 2012.
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