Estupigan, R. (1999). Managing burn injuries and fire emergencies. Manila Bulletin.
Chicago Style aipamenaEstupigan, Ruth. "Managing Burn Injuries and Fire Emergencies." Manila Bulletin 1999.
MLA aipamenaEstupigan, Ruth. "Managing Burn Injuries and Fire Emergencies." Manila Bulletin, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.