Umali, R. A., & Celerio, L. (1974). Bilangguang puso. s.n.].
Chicago Style (17th ed.) CitationUmali, Restituto A., and Levi Celerio. Bilangguang Puso. [S.l: s.n.], 1974.
MLA (9th ed.) CitationUmali, Restituto A., and Levi Celerio. Bilangguang Puso. s.n.], 1974.
Warning: These citations may not always be 100% accurate.