Gershwin, G., Barnes, J., & Heyward, D. (1998). Porgy and Bess: An overture on themes from the American musical masterpiece / words and music by George Gershwin, Du Bose and Dorothy Heyward and Ira Gershwin. Arr. by James Barnes. Warner.
Παραπομπή σε μορφή Chicago (17η εκδ.)Gershwin, George, James Barnes, και DuBose Heyward. Porgy and Bess: An Overture on Themes from the American Musical Masterpiece / Words and Music by George Gershwin, Du Bose and Dorothy Heyward and Ira Gershwin. Arr. by James Barnes. Miami, Fla.: Warner, 1998.
Παραπομπή σε μορφή MLA (8th εκδ.)Gershwin, George, et al. Porgy and Bess: An Overture on Themes from the American Musical Masterpiece / Words and Music by George Gershwin, Du Bose and Dorothy Heyward and Ira Gershwin. Arr. by James Barnes. Warner, 1998.