(2003). Tribal leaders pay tribute to Datu Sibug. Manila Bulletin.
Chicago Style aipamena"Tribal Leaders Pay Tribute to Datu Sibug." Manila Bulletin 2003.
MLA aipamena"Tribal Leaders Pay Tribute to Datu Sibug." Manila Bulletin, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.