Coduto, Donald P.
Prentice-Hall, 1994
Buku Teks
Das, Braja M., author
Cengage Learning, 2011
Buku Teks
Schnabel, Harry
McGraw-Hill, 1982
Buku Teks
Brown, RObert Wade, editor-in-chief
McGraw-Hill, 2001
Buku Referensi
Zeevaert, Leonardo
Van Nostrand, 1973
Buku Teks