Cummings, Thomas G., 1944-, author
Thomson, 2005
Buku Teks
Finkle, Jason L., author
John Wiley & Sons, 1968
Buku Teks
Prentice-Hall, 2000
Buku Teks
Finkle, Jason L., author
John Wiley & Sons, 1966
Buku Teks
Cummings, Thomas G., 1944-, author
CT Cengage Learning, 2015
Buku Teks