Carballo, B. M. (1999). How Helen and Tito Sotto keep their romance alive. Philippine Daily Inquirer.
Chicago-viite (17. p.)Carballo, Bibsy M. "How Helen and Tito Sotto Keep Their Romance Alive." Philippine Daily Inquirer 1999.
MLA-viite (9. p.)Carballo, Bibsy M. "How Helen and Tito Sotto Keep Their Romance Alive." Philippine Daily Inquirer, 1999.
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