Walters, Roger L., author
McGraw-Hill, 1994
Buku Teks
Vaughn, Lewis, author
Oxford University Press, 2005
Buku Teks
Dancyger, Ken, author
Focal Press, 1991
Buku Teks
Hall, Oakley
Story Press, 1989
Buku Teks
Bernadette Casey.... (et all...)
Routledge , 2008
Buku Teks