Broaded, Charley H.
Harper, 1947
Buku Teks
Burke, Robert E, author
Jones and Bartlett Publishers , 2011
Buku Teks
Green, Michelle A., author
Delmar Cengage Learning, 2011
Buku Teks
by Greg Witte [and others]
McGraw-Hill, 2012
Buku Teks
Brigham, Eugene F., 1930-, author
The Dryden Press, 1990
Buku Teks