Hans Michael Kaltenbach
[Springer , ], 2012
eBooks
Ibrahim Ismail
Golden Books Centre Sdn. Bhd., 2001
Buku Teks
edited by A.J. Walford
Library Association, 1981
Buku Referensi
Sharpe, Leslie T.
Camberidge University Press , 1994
Buku Teks
Carlson, Karen J.
Harvard University Press, 1997
Buku Teks