Khalil, Tarek M.
McGraw-HIll , 2000
Buku Teks
Stephen M. Horan, editor
John Wiley & Sons, 2009
Buku Teks
Hitt, Michael A.
Thomson South-Western, 2003
Buku Teks
Hitt, Michael A.
Thomson, South-Western, 2005
Buku Teks
Hitt, Michael A.
Cengage Learning, 2015
Buku Teks