Valderrama, U. C. (1987). The colourful Mandaya: Ethnic tribe of Davao Oriental. s.n..
Chicago Style aipamenaValderrama, Ursula Cinco. The Colourful Mandaya: Ethnic Tribe of Davao Oriental. Davao City: s.n., 1987.
MLA aipamenaValderrama, Ursula Cinco. The Colourful Mandaya: Ethnic Tribe of Davao Oriental. s.n., 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.