Wooldridge, S. W.
Hutchinson University Library,, 1970
Buku Teks
Minshull, Roger
Hutchinson University Library, 1971
Buku Teks
Holt-Jensen, Arild, author
Publications, 2003
Buku Teks
N. Daldjoeni, author
Alumni, 1998
Buku Teks
Hutchinson & Co., 1958
Buku Teks