Adem, Seifudein, author
Routledge, Taylor & Francis Group, 2018
Buku Teks
Kandil, Hazem, author
Oxford University Press, 2016
eBooks
Houlihan, Barrie
Routledge 1997, 1997
Buku Teks
Marchbank, Jennifer, author
Routledge, 2000
Buku Teks
Judd, Dennis R., author
Little, Brown, 1979
Buku Teks