Brandes, J.L.A., author
Albrecht , 1913
Buku Teks
Pullum, G.K.
University of Chicago Press, 1986
Buku Teks
Pike, Kenneth L. (Kenneth Lee), 1912-2000, author
Summer institute of linguistics, 1946
Buku Teks
Ledefoged, Peter
Univeersity of Chicago Press, 1971
Buku Teks
Pleyte, C.M. (Cornelis Marinus), 1863-1917, author
G. Kolff & Co, 1911
Buku Teks