Buban, C. E. (2003). Boosting immune system key to staying healthy. Philippine Daily Inquirer.
Chicago-viite (17. p.)Buban, Charles E. "Boosting Immune System Key to Staying Healthy." Philippine Daily Inquirer 2003.
MLA-viite (9. p.)Buban, Charles E. "Boosting Immune System Key to Staying Healthy." Philippine Daily Inquirer, 2003.
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