Valderrama, U. C. (1987). The colourful Mandaya: Ethnic tribe of Davao Oriental. s.n..
Chicagoスタイル(17版)引用形式Valderrama, Ursula Cinco. The Colourful Mandaya: Ethnic Tribe of Davao Oriental. Davao City: s.n., 1987.
MLA(9版)引用形式Valderrama, Ursula Cinco. The Colourful Mandaya: Ethnic Tribe of Davao Oriental. s.n., 1987.
警告: この引用は必ずしも正確ではありません.