“FOLK AND TRADITIONAL MUSIC OF THE WESTERN CONTINENTS by Bruno Nettl. Prentice-Hall, History of Music Series, Englewood Cliffs, New Jersey, revised edition 1973 (original edition 1965)” (1973) African Music : Journal of the International Library of African Music, 5(3), p. 100. doi:10.21504/amj.v5i3.1667.