Gershwin, G., Gershwin, I., & Carter, D. (1964). Stiff Upper Lip. Alfred Publishing Co., Inc..
Cita Chicago (17th ed.)Gershwin, George, Ira Gershwin, i Desmond Carter. Stiff Upper Lip. Louisville, United States: Alfred Publishing Co., Inc., 1964.
Cita MLA (9th ed.)Gershwin, George, et al. Stiff Upper Lip. Alfred Publishing Co., Inc., 1964.
Atenció: Aquestes cites poden no estar 100% correctes.