(2003). Gregorian chant: 3 hours of relaxing, spiritual music. Union Square Music.
Cita Chicago Style (17a ed.)Gregorian Chant: 3 Hours of Relaxing, Spiritual Music. Uxbridge: Union Square Music, 2003.
Cita MLA (9a ed.)Gregorian Chant: 3 Hours of Relaxing, Spiritual Music. Union Square Music, 2003.
Precaución: Estas citas no son 100% exactas.