Ong, E. D. (2008). Happy Slip makes videoblogs of Philippine visit, promotes tourism with Filipino humor. Manila Bulletin.
Cita Chicago (17th ed.)Ong, Edison D. "Happy Slip Makes Videoblogs of Philippine Visit, Promotes Tourism with Filipino Humor." Manila Bulletin 2008.
Cita MLA (9th ed.)Ong, Edison D. "Happy Slip Makes Videoblogs of Philippine Visit, Promotes Tourism with Filipino Humor." Manila Bulletin, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.