Daniel, Robert S.
Hoghton Mifflin, 1965
Buku Teks
Abraham, Amit
Tata McGraw-Hill, 2011
Buku Teks
Prepared by Frederick L. Coolidge
Pearson Custom, 1997
Buku Teks
Hetherington, Mavis E.
McGraw-Hill , 2006
Multimedia
Jordaan, W.J.
McGraw-Hill, 1975
Buku Teks