Robertson, A. (1961). Christian music. Hawthorn Books, Publishers.
Cita Chicago Style (17a ed.)Robertson, Alec. Christian Music. New York: Hawthorn Books, Publishers, 1961.
Cita MLA (9a ed.)Robertson, Alec. Christian Music. Hawthorn Books, Publishers, 1961.
Precaución: Estas citas no son 100% exactas.