Biegel, John E.
Prentice-Hall, 1980
Buku Teks
O`Donnell, Paul D.
Prentice-Hall, 1954
Buku Teks
Schonberger, Richard John
Business Publications, 1985
Buku Teks
Dilworth, James B., 1939-
McGraw-Hill, 1992
Buku Teks
Riggs, James L.
John Wiley & Sons, 1970
Buku Teks