Lisette Gebhardt and Yuki Masami, editors
EBVerlag, 2014
Buku Teks
Maguire, Henry, author
Oxford University Press, 2012
Buku Teks
Dart, Gregory, author
Cambridge University Press, 2012
eBooks
Farish A. Noor, author
Tuttle Pub, 2003.
Buku Teks
Haynes, Roslynn D
Camridge University Press , 1988
Buku Teks