Natividad, D. (2000). Exercise regularly for better health, aging persons urged. Manila Times.
Chicago Style aipamenaNatividad, Don. "Exercise Regularly for Better Health, Aging Persons Urged." Manila Times 2000.
MLA aipamenaNatividad, Don. "Exercise Regularly for Better Health, Aging Persons Urged." Manila Times, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.