Litterer, Joseph August, 1926-, author
Wiley, 1969
Buku Teks
Gibson, James L., author
Irwin, 1994
Buku Teks
by James L. Gibson, John M. Ivancevich, James H. Donnelly, Robert Konopaske
McGraw-Hill, 2009
Buku Teks
Heilman, Madeline E., author
Richard D. Irwin, 1982
Buku Teks
French, Wendell L., author
Harper & Row, 1985.
Buku Teks