Boas, Gideon, author
Edward Elgar Publishing, 2017
Buku Teks
Bantekas, Ilias, author
Cavendish Publishing Limited, 2001
Buku Teks
by Robert Cryer ... [and others]
Cambridge University Press, 2016
Buku Teks
Rohan, Colleen, author
Cambridge University Press, 2017
eBooks
O`Sullivan, Aisling, author
CRC Press, 2017
Buku Teks