Higgins, James M., author
Macmillan, 1994
Buku Teks
Schermerhorn, John R., author
Wiley , 2015
Buku Teks
Luthans, Fred, author
McGraw-Hill , 1976
Buku Teks
Taylor, Bernard W., III, author
Pearson Education, 2004
Buku Teks
Kinicki, Angelo, author
McGraw-Hill, 2008
Buku Teks