Schexnayder, Clifford J., author
McGraw-Hill, 2004
Buku Teks
Smith, George Albert, author
Richard D. Irwin, 1960
Buku Teks
Hampton, John J., 1942-, author
Amacom, 2009
Buku Teks
McFarland, Dalton E., author
Collier Macmillan, 1974
Buku Teks
Donelly, James H., author
Business Publications, 1984
Buku Teks