Practical phonetics for students of African languages - Westermann, Diedrich, 1875-1956.; Ward, Ida C. (Ida Caroline), 1880-1949; International African Institute (London : Published for the International Institute of African Languages & Cultures by Oxford University Press, H. Milford, 1933)
Bibliography: p. 140-141, [217]-218.
Keywords: African languages -- Phonetics