Reyes, T. M. (2002). What Erap can expect from his knee operation. IN An apple a day [column]. Philippine Star.
Chicago-referens (17:e uppl.)Reyes, Tyrone M. "What Erap Can Expect from His Knee Operation. IN An Apple a Day [column]." Philippine Star 2002.
MLA-referens (9:e uppl.)Reyes, Tyrone M. "What Erap Can Expect from His Knee Operation. IN An Apple a Day [column]." Philippine Star, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.