Buban, C. E. (2003). Boosting immune system key to staying healthy. Philippine Daily Inquirer.
Chicago Style aipamenaBuban, Charles E. "Boosting Immune System Key to Staying Healthy." Philippine Daily Inquirer 2003.
MLA aipamenaBuban, Charles E. "Boosting Immune System Key to Staying Healthy." Philippine Daily Inquirer, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.