Frieman, Barry B.
McGraw-Hill, 2001
Buku Teks SO
by E. Wainright Martin .. .[and others]
Prentice-Hall, 1994
Buku Teks
edited by Jessie Ee
McGraw-Hill, 2004
Buku Teks
Walsh, Myles E.
John Wiley & Sons, 1981
Buku Teks
by E. Wainright Martin ... [and others]
Macmillan, 1991
Buku Teks