Santos, B. J. (1977). Choral speaking for the elementary fast learners [microform]. Photoduplication Service, University of the Philippines Library.
Citação do estilo Chicago (17ª ed.)Santos, Bayani J. Choral Speaking for the Elementary Fast Learners [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Citação MLA (9ª ed.)Santos, Bayani J. Choral Speaking for the Elementary Fast Learners [microform]. Photoduplication Service, University of the Philippines Library, 1977.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.