Hapas, A. B. Folk Islam in Sulu: A study of change and development.
Chicago Style aipamenaHapas, Adjarail B. Folk Islam in Sulu: A Study of Change and Development.
MLA aipamenaHapas, Adjarail B. Folk Islam in Sulu: A Study of Change and Development.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.