Sharplin, Arthur
McGraw-Hill, 1985
Buku Teks
Hitt, Michael A.
South-Western College Publishing, 2001
Buku Teks
Hitt, Michael A.
Thomson South-Western, 2003
Buku Teks
Hitt, Michael A.
Thomson, South-Western, 2005
Buku Teks
Hitt, Michael A.
Thomson, South-Western, 2007
Buku Teks