Maynard, Jeff, author
Butterworths, 1972
Buku Teks
Jackson, Barbara Burn, author
Richard D. Irwin Inc, 1979
Buku Teks
Van Tassel, Dennis, author
Prentice-Hall, 1972
Buku Teks
by Arthur J. Keown, John D. Martin, J. William Petty, David F. Scott
Prentice-Hall, 2001
Buku Teks
Arthur J Keown
Pearson : Prentice Hall, [2005, 2005]
Buku Teks