Cawkell, Tony
Routledge, 1996
Buku Referensi
edited by Henk M. Blanken ... [and others]
Springer, 2007
Buku Teks
Vaughan, Tay
Osborne McGraw-Hill, 1997
Multimedia
Jeffcoate, Judith
Prentice Hall, 1995, 1995
Buku Teks
Vaughan, Tay
McGraw-Hill, 2014
Buku Teks