Gup, Benton E.
John Wiley & Sons, 1987
Buku Teks
by Arthur J. Keown, John D. Martin, J. William Petty, and David F. Scott
Prentice-Hall, 2005
Buku Teks
by Arthur J. Keown, John D. Martin, J. William Petty, David F. Scott
Prentice-Hall, 2001
Buku Teks
Levy, Haim
Prentice-Hall, 1988
Buku Teks
Arthur J Keown
Pearson : Prentice Hall, [2005, 2005]
Buku Teks