Pearlson, Keri E., author
John Wiley & Sons, 2009
Buku Teks
edited by Arthur A. Thompson, Jr., A.J. Strickland III, Tracy Robertson Kramer
Irwin/McGraw-Hill, 1998
Buku Teks
Wright, Peter, author
Allyn and Bacon, 1992
Buku Teks
Pearce, John A., author
Richard D. Irwin, 1982
Buku Teks
Pearce, John A., author
Irwin, 1997
Buku Teks