Henrici, Peter, author
John Wiley & Sons, 1982
Buku Teks
David L. Dunlop
Prentice-Hall, 1983
Buku Teks
Garrison, Paul, author
TAB Books, 1982
Buku Teks
Bruce, William J., author
Appleton-Century-Crofts, 1971
Buku Teks
Marcus, Marvin, author
Houghton Mifflin, 1970
Buku Teks