Gary Rees Paul E. Smith, editor
Sage, 2014
Buku Teks
Mike Millmore, Philip Lewis, Mark Saunders, Adrian Thornhill, Trevor Morrow
Prentice-Hall, 2007
Buku Teks
Mello, Jeffrey A., author
Cengage Learning, 2015
Buku Teks
Mello, Jeffrey A., author
Thomson Corporation, 2006
Buku Teks
Nankervis, Alan R., author
Thomas Nelson Australia, 1996
Buku Teks