Holzner, Steven, author
Brady Books, 1992
Buku Teks
Sokolowski, S., author
Chapman & Hall, 1991
Buku Teks
Dani Okianto, author
Elex Media Komputindo, 1997
Buku Teks
Stern, Nancy B., author
John Wiley & Sons, 1970
Buku Teks
Shelly, Gary B., author
Anaheim Publishing, 1970
Buku Teks