Cadar, U. H. (1985). Context and style in the vocal music of the Muranao in Mindanao, Philippines. Coordination Center for Research and Development, MSU-Iligan Institute of Technology University Research Center, Mindanao State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cadar, Usopay Hamdag. Context and Style in the Vocal Music of the Muranao in Mindanao, Philippines. Iligan City, Marawi City: Coordination Center for Research and Development, MSU-Iligan Institute of Technology University Research Center, Mindanao State University, 1985.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cadar, Usopay Hamdag. Context and Style in the Vocal Music of the Muranao in Mindanao, Philippines. Coordination Center for Research and Development, MSU-Iligan Institute of Technology University Research Center, Mindanao State University, 1985.