Salvatore, Dominick, author
McGraw-Hill, 1996
Buku Teks
edited by John Ravenhil
Oxford University Press, 2014
Buku Teks
Warde, Ibrahim
Ibrahim Warde, 2010
Buku Teks
edited by John Ravenhill
NY Oxford University Press, 2017
Buku Teks
Sachs, Jeffrey D., author
Harvester Wheatsheaf, 1993
Buku Teks