Christensen, Clayton M.
McGraw-Hill, 1999
Buku Teks
Thompson, Arthur A., 1940-
Business Publications , 1980
Buku Teks
Dreher, George F.
McGraw-Hill, 2001
Buku Teks
Webber, Ross A.
Richard D. Irwin, 1981
Buku Teks
Stewart, Rosemary
Prentice-Hall, 1982
Buku Teks