Musser, Gary L., author
John Wiley & Sons, 2006
Buku Teks
Musser, Gary L., author
John Wiley & Sons, 2004
Buku Teks
Devine, Donald F., author
John Wiley & Sons, 1983
Buku Teks
Billstein, Rick, author
Pearson Addison Wesley, 2007
Buku Teks
May, Lola June
The Free Press, 1970
Buku Teks