Jaschke, H.A.
London : Routledge & Kegan Paul Ltd., 1949.
Buku Teks
Jaschke, H. A.
Trubner and Co. Ludgate Hill, 1882
Buku Referensi
Whitney, William Dwight
Breitkopf and HaÌ?rtel; Ginn & company, 1891
Buku Teks
Kuki, Hiroshi
Linguistic Circle of Canberra, 1970
Buku Teks SO
Brown, Penelope
Cambridge University Press , 1987
Buku Teks