John, E. (1994). Ballads. Hal Leonard.
Cita Chicago (17th ed.)John, Elton. Ballads. Milwaukee: Hal Leonard, 1994.
Cita MLA (9th ed.)John, Elton. Ballads. Hal Leonard, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)