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Lua i Stíl Chicago (17ú heag.)Joven, Ginggay P. "John John Osmena. IN Gimmick [column]: Old Name, Young Blood." Philippine Star 1998.
Lua MLA (9ú heag.)Joven, Ginggay P. "John John Osmena. IN Gimmick [column]: Old Name, Young Blood." Philippine Star, 1998.
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