Steinbreder, John, author
Hungry Minds, Inc., 2001
Buku Teks
Nance, Virginia L., author
WM. C. Brown, 1966
Buku Teks
Toski, Bob, author
Three Rivers Press, 1997
Buku Teks
Graves, Robert Muir, author
John Wiley & Sons, 1998
Buku Teks
Fazio, Tom
Harry N. Abrams, Inc., 2000
Buku Teks