Gary Rees Paul E. Smith, editor
Sage, 2014
Buku Teks
Randall S.Schuler, Susan E.Jackson, editor
Blackwell Publisher, 2000
Buku Teks
Mike Millmore, Philip Lewis, Mark Saunders, Adrian Thornhill, Trevor Morrow
Prentice-Hall, 2007
Buku Teks
Fombrun, Charles, author
John Wiley & Sons, 1984
Buku Teks
Nankervis, Alan R., author
Thomas Nelson Australia, 1996
Buku Teks