Verlinden, Jay, author
Wadsworth/Thomson Learning, 2005
Buku Teks
Rainbolt, George, author
Wadsworth and Cengage Learning, 2012
Buku Teks
Barnet, Sylvan, author
Bedford/St. Martin's, 2002
Buku Teks
Barnet, Sylvan, author
Bedford/St Martin's, 2014
Buku Teks
Shuter, Robert L., author
McGraw-Hill, 1966
Buku Teks