Stone, Bob, author
McGraw-Hill, 2008
Buku Teks
Edward L. Nash, editor in chief
McGraw-Hill , 1992
Buku Referensi
Roberts, Mary Lou, author
Prentice-Hall, 1989
Buku Teks
Nash, Edward L., author
McGraw-Hill, 1986
Buku Teks
Weaver, Lynee De, author
Elex Media Komputindo, 2002
Buku Teks