Madden, Chris Casson, author
Clarkson Potter, 1993
Buku Referensi
Cohen, Edie Lee, author
Cahners, 1984
Buku Teks
edited by Gavin Butt
Blackwell, 2005
Buku Teks
Barrett, Terry, 1945-, author
McGraw-Hill, 2012
Buku Teks
by Barbara Capitman Baer [and others]
Hennessey & Ingalls, 2002
Buku Teks