Stokes, William Lee, 1915-
Prentice-Hall, 1966
Buku Teks
Wicander, Reed
Brooks/Cole Cengage Learning, 2013
Buku Teks
Woodford, A.O.
W.H. Freeman, 1965
Buku Teks SO
Tarbuck, Edward J.
Maxwell Macmillan, 1993
Buku Teks
McGeary, David
McGraw-Hill, 2004
Buku Referensi