Rainbolt, George, author
Wadsworth and Cengage Learning, 2012
Buku Teks
Rainbolt, George W., author
Wadsworth and Cengage Learning, 2012
Buku Teks
Verlinden, Jay, author
Wadsworth/Thomson Learning, 2005
Buku Teks
Shuter, Robert L., author
McGraw-Hill, 1966
Buku Teks
Warnick, Barbara, 1946-, author
Macmillan, 1994
Buku Teks