Kasper, Joseph E., author
Prentice-Hall, 1983
Buku Teks
Weyerer, Manfred
Prentice-Hall, 1992
Buku Teks
Holt, Charles A.
John Wiley & Sons, 1978
Buku Teks
Hodges, David A., author
McGraw-Hill, 1983
Buku Teks
Rashid, Muhammad H., author
Prentice-Hall, 1993
Buku Teks