Baily, P.J.H.
Chapman and Hall , 1973
Buku Teks
Dobler, Donald W., author
McGraw-Hill, 1996
Buku Teks
Joseph L. Cavinato and Ralph G. Kauffman, editors in chief
McGraw-Hill, 1999
Buku Referensi
Carter, Joseph R.
Business One Irwin , 1993
Buku Teks
Anyon, G. Jay
N.Y. Holt, 1963
Buku Teks