Entrala, F. d. P. (1976). Sin titulo: Nobela de costumbres [microform]. Photoduplication Service, University of the Philippines Library.
Chicago Style (17th ed.) CitationEntrala, Francisco de Paula. Sin Titulo: Nobela De Costumbres [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
MLA (9th ed.) CitationEntrala, Francisco de Paula. Sin Titulo: Nobela De Costumbres [microform]. Photoduplication Service, University of the Philippines Library, 1976.
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