Cruz, V. G. (1976). Ang ikaapat na kapangyarihan (Dulang satiriko na may isang kuadro at tatlong yugto) 1930n [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-Zitierstil (17. Ausg.)Cruz, Vicente G. Ang Ikaapat Na Kapangyarihan (Dulang Satiriko Na May Isang Kuadro at Tatlong Yugto) 1930n [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
MLA-Zitierstil (9. Ausg.)Cruz, Vicente G. Ang Ikaapat Na Kapangyarihan (Dulang Satiriko Na May Isang Kuadro at Tatlong Yugto) 1930n [microform]. Photoduplication Service, University of the Philippines Library, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.