Orbeta, F., & Wiseman, N. P. S. C. (1977). Fabiola, o Ang singbahan sa catacumbas [microform]. Photoduplication Service.University of the Philippines Library.
Chicago-Zitierstil (17. Ausg.)Orbeta, Filomeno, und Nicholas Patrick Stephen Cardinal Wiseman. Fabiola, O Ang Singbahan Sa Catacumbas [microform]. Quezon City: Photoduplication Service.University of the Philippines Library, 1977.
MLA-Zitierstil (9. Ausg.)Orbeta, Filomeno, und Nicholas Patrick Stephen Cardinal Wiseman. Fabiola, O Ang Singbahan Sa Catacumbas [microform]. Photoduplication Service.University of the Philippines Library, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.