Sutan Takdir Alisjahbana, author
Mouton, 1976
Buku Teks
Jahr, Ernst Hakon, author
Edinburgh University Press Ltd, 2014
eBooks
Haugen, Einar
Harvard University Press, 1966
Buku Teks
Ferguson, Gibson, author
Edinburgh University Press, 2006
Buku Teks
Cooper, Robert L., author
Cambridge University Press, 1989
Buku Teks