Westrup, j. A. (1954). History of music in sound, vol. 4: The age of humanism. RCA Victor LM6029.
Cita Chicago (17th ed.)Westrup, jack Allan. History of Music in Sound, Vol. 4: The Age of Humanism. s.l: RCA Victor LM6029, 1954.
Cita MLA (9th ed.)Westrup, jack Allan. History of Music in Sound, Vol. 4: The Age of Humanism. RCA Victor LM6029, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.