Griffin, Ricky W., author
Cengage Learning, 2014
Buku Teks
Hersey, Paul, author
Pearson, Prentice Hall, 2008
Buku Teks
Robbins, Stephen P., author
Prentice-Hall, 1988
Buku Teks
Dryden Press, 1980
Buku Teks
Konopaske, Robert, author
McGraw-Hill, 2018
Buku Teks