Hitt, Michael A., author
Thomson South-Western, 2003
Buku Teks
Hill, Charles W. L., author
Houghton Miffiln, 1998
Buku Teks
Hunger, J. David, 1941-, author
Prentice-Hall, 2001
Buku Teks
Hitt, Michael A., author
Thomson, South-Western, 2005
Buku Teks
Smith, Ronald D., author
Lawrence Erlbraum Associates, Publishers, 2005
Buku Teks