Hargreaves, Martin
Longman, 1996
Buku Teks
Croft, Anthony, author
Prentice-Hall, 1995
Buku Teks
Nise, Norman S.
John Wiley & Son, 2004
Multimedia
Nise, Norman S.
John Wiley & Sons, 2004
Buku Teks
Alexander Kossiakoff 1945-, William N. Sweet, Samuel J. Seymour, Steven M. Biemer
Wiley-Interscience, 2011
Buku Teks