Paterno, P. A., & Reyes y Guzman, R. (1976). Gayuma: Operang Filipina [microform]. Photoduplication Service, University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Paterno, Pedro Alejandro, e Roman Reyes y Guzman. Gayuma: Operang Filipina [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
Citatione MLA (9a ed.)Paterno, Pedro Alejandro, e Roman Reyes y Guzman. Gayuma: Operang Filipina [microform]. Photoduplication Service, University of the Philippines Library, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.