Abboud, Peter F, author
Cambridge University Press, 1983
eBooks
Holes, Clive, author
Longman, 1995
Buku Teks
Brustad, Kristen, author
Georgetown University Press, 1995
Buku Teks
Ryding, Karin C, author
Cambridge University Press, 2013
Buku Teks
Alosh, Mahdi
Yale University Press, 2000
Buku Teks