Lijnzaad, Liesbeth
Martinus Nijhoff Publishers, 1995
Buku Teks
edited by Helen Keller, Geir Ulfstein
Cambridge University Press, 2012
Buku Teks
Szabo, Imre, author
A.W. Sijthoff, 1974
Buku Teks
Unesco, 1970
Buku Teks
Selby, David, author
Cambridge University Press, 1988
Buku Teks