Choi, Sung-su, author
Naramal, 2009
Buku Teks
edited by M.C. Howatson
Oxford University Press, 1990
Buku Referensi
Gillespie, Stuart, author
Wiley, 2011
Buku Teks
Indonesia Linguistics Development Project (ILDEP), 1994
Buku Teks
Hooykaas, Christiaan, 1902-1979, author
J.B. Wolters, 1951
Buku Teks