De Leon, B. M. Ako: Sarsuelang may tatlong yugto at apat na anyo. s.n.
Chicago Style (17th ed.) CitationDe Leon, Bayani Mendoza. Ako: Sarsuelang May Tatlong Yugto at Apat Na Anyo. [S.l: s.n.
MLA (9th ed.) CitationDe Leon, Bayani Mendoza. Ako: Sarsuelang May Tatlong Yugto at Apat Na Anyo. s.n.
Warning: These citations may not always be 100% accurate.