Mike Millmore, Philip Lewis, Mark Saunders, Adrian Thornhill, Trevor Morrow
Prentice-Hall, 2007
Buku Teks
Nankervis, Alan R.
Thomas Nelson Australia, 1996
Buku Teks
Buku Teks
Ivancevich, John M.
Irwin, 1995
Buku Teks
by Raymond Andrew Noe [and others]
McGraw-Hill/Irwin, 2014
Buku Teks