Chan, Patrick, author
Cengage Learning , 2013
Buku Teks
Hersey, Paul, author
Pearson, Prentice Hall, 2008
Buku Teks
Kreitner, Robert, author
McGraw-Hill, 2010
Buku Teks
Luthans, Fred, author
McGraw-Hill , 1985
Buku Teks
Luthans, Fred, author
McGraw-Hill , 1981
Buku Teks