Robbins, Stephen P., author
Pearson, 2011
Buku Teks
Kreitner, Robert, author
McGraw-Hill, 2004
Buku Teks
Robbins, Stephen P., author
Pearson Prentice Hall, 2003
Buku Teks
Hodgetts, Richard M., author
Saunders, 1979
Buku Teks
Luthans, Fred, author
McGraw-Hill, 2011
Buku Teks