Jankowsky, Kurt R.
The Hague, 1972
Buku Teks
Roland Holst, R. N.
J. M. Meulenhoff, 1940
Buku Teks
Nentjes, A.
Samson, 1988
Buku Teks
McDermott, Hubert, author
Macmillan, 1989
Buku Teks
Brazinsky, Gregg
University of North Carolina Press, 2007
Buku Teks