Odiorne, George S.
Dow Jones-Irwin , 1982
Buku Teks
Ignatius Wursanto
Pustaka Dian, 1986
Buku Teks
Milkovich, George T., author
Tex Business Publications , 1985
Buku Teks
edited by Wendell L. French and Don Hellriegel
Houghton Mifflin, 1971
Buku Teks
Yoder, Dale, author
Prentice-Hall, 1962
Buku Teks