Farhana Yamin, author
Cambridge University Press, 2004
Buku Teks
Berger, Andre, editor
Springer, 2012
eBooks
Otto-Zimmermann, Konrad, editor
Springer, 2012
eBooks
Nolon, John R., author
WEST , 2011
Buku Teks
Dash, S.K., author
Cambridge University Press, 2007
Buku Teks