Washington, Allyn J., author
Pearson - Prentice Hall, 2009
Buku Teks
Anton, Howard, author
Academic Press, 1982
Buku Teks
Bernkopt, Michael
Houghton Mifflin, 1975
Buku Teks
Craig, Robert T., author
Prentice-Hall, 1969
Buku Teks
Evans, Jacqueline P., author
Addison-Wesley, 1970
Buku Teks