Unterberger, Richie, Hicks, Samb et Dempsey, Jennifer, Music USA By Richie Unterberger, Samb Hicks, Jennifer Dempsey, , 486 p. (ISBN978-1-85828-421-7, lire en ligne) (ISBN1-85828-421-X). Retrieved 2010-02-10
(en) Canadian Radio-television and Telecommunications Commission, « The MAPL System », National Campus and Community Radio Association (consulté le )
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« "race music" and "race records" were terms used to categorize practically all types of African-American music in the 1940s », St. James Encyclopedia of Pop Culture by Matthew A. Killmeier 01/29/02, (lire en ligne, consulté le )