Brown, Theodore L., author
Prentice-Hall, 2000
Buku Teks
LeMay, H. Eugene, author
Pretince Hall, 2003
Buku Teks
Theodore L. Brown, H. Eugene LeMay, Bruce E. Bursten; editor, Catherin J. Murphy
Prentice-Hall, 2009
Buku Teks
Brown, Theodore L., author
Prentice-Hall, 2000
Buku Teks
Moore, John W., author
Thomson Brooks/Cole, 2005
Buku Teks