Schwarzkopf, E. (1956). The Elisabeth Schwarzkopf Christmas Album. EMI.
Cita Chicago (17th ed.)Schwarzkopf, Elisabeth. The Elisabeth Schwarzkopf Christmas Album. Hayes, Middlesex: EMI, 1956.
Cita MLA (8th ed.)Schwarzkopf, Elisabeth. The Elisabeth Schwarzkopf Christmas Album. EMI, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.