Donaldson, Bruce, author
Routledge, 1997
Buku Teks
Herrity, Peter, author
Routledge, 2000
Buku Teks
Amir Hendarsah
Galang Press, 2007
Buku Teks
Woods, Geraldine, author
John Wiley & Sons, 2015
Buku Teks
Azar, Betty Schrampfer, 1941-, author
Prentice Hall Regents, 1995
Buku Teks