Aamodt, Michael G., author
Thomson/Wadsworth, 2004
Buku Teks
Aamodt, Michael G., author
Wadsworth and Cengage Learning, 2013
Buku Teks
Aamodt, Michael G., author
Cengage Learning, 2016
Buku Teks
Muchinsky, Paul M., author
Wadsworth, 2000
Buku Teks
Gilmer, B. von Haller (Beverly von Haller), 1909-1994, author
McGraw-Hill, 1977
Buku Teks