Armstrong, James W., author
Brooks/Cole Cengage Learning, 2012
Buku Teks
McMurry, John, author
Prentice-Hall, 1992
Buku Teks
McMurry, John, author
Prentice-Hall, 1994
Buku Teks
Seager, Spencer L., author
Thomson Brooks/Cole, 2008
Buku Teks
Denniston, Katherine J., author
McGraw-Hill Higher Education, 2007
Buku Teks