Lial, Margaret L., author
Harper Colins, 1995
Buku Teks
Hardy, F. Lane
West Publishing, 1984
Buku Teks
by Robert V. Hog ... [and others]
Cummings, 1974
Buku Teks
Tan, S.T. , author
Brooks/Cole, Cengage Learning , 2012
Buku Teks
Haeussler, Ernest F., author
Prentice-Hall, 2011
Buku Teks