James, David
Thames and Hudson, 1988
Buku Teks
editor, Adnan Mahmud, Hamid Laonso, Muhammad Jamil
Restu Agung, 2006
Buku Teks
Kelly, Gery F.
McGraw-Hill, Higher Education, 2008
Buku Teks
New York and London, 1994
Buku Teks
Cameron, Deborah
Cambridge University Press, 2004
Buku Teks