Knight, A. H. J. (2001). "It ain't necessarily so that it ain't necessarily so": African American recordings of Porgy and Bess as film and cultural criticism.
Chicago Style (17th ed.) CitationKnight, Arthur Harold John. "It Ain't Necessarily so That It Ain't Necessarily so": African American Recordings of Porgy and Bess as Film and Cultural Criticism. 2001.
MLA (9th ed.) CitationKnight, Arthur Harold John. "It Ain't Necessarily so That It Ain't Necessarily so": African American Recordings of Porgy and Bess as Film and Cultural Criticism. 2001.
Warning: These citations may not always be 100% accurate.