Citazione Stile APA (7a Edizione)

Ordoñez, E. A. (2009). Writing UP's history .[opinion]. Manila Times.

Citazione stile Chigago Style (17a edizione)

Ordoñez, Elmer A. "Writing UP's History .[opinion]." Manila Times 2009.

Citatione MLA (9a ed.)

Ordoñez, Elmer A. "Writing UP's History .[opinion]." Manila Times, 2009.