Robles, R. E. (1997). Sarah Balabagan: The never ending story [series]. Philippine Daily Inquirer.
Chicago-viite (17. p.)Robles, Raissa Espinosa. "Sarah Balabagan: The Never Ending Story [series]." Philippine Daily Inquirer 1997.
MLA-viite (9. p.)Robles, Raissa Espinosa. "Sarah Balabagan: The Never Ending Story [series]." Philippine Daily Inquirer, 1997.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.