Sanders, Donald H., author
McGraw-Hill , 1974
Buku Teks
Hurt, Robert L.
McGraw - Hill - Irwin, 2008
Buku Teks
Tucker, Allen B., author
Academic Press, 1979
Buku Teks
Davis, James R., author
John Wiley & Sons, 1990
Buku Teks
Page, John R., 1949-, author
Prentice-Hall, 1987
Buku Teks