Vismans, Romualdus Maria, author
IFOTT, 1994
Buku Teks
Oosterhoff, Jenneke A., author
Routledge, 2009
Buku Teks
Donaldson, Bruce, author
Routledge, 1997
Buku Teks
Autorengruppe, Prager
Scriptor, 1973
Buku Teks
Li, Charles N., author
University California Press, 1981
Buku Teks