edited by David Morley, Philip Neilsen
Cambridge University Press, 2012
Buku Teks
Rich, Carole, author
Wadsworth and Cengage Learning, 2010
Buku Teks
Newsom, Doug, author
Cengage Learning, 2017
Buku Teks
Van Duyn, Julia, author
John Wiley & Sons, 1982
Buku Referensi
edited by Allison James, Jenny Hockey and Andrew Dawson
Routledge, 1997
Buku Teks