Donatelle, Rebecca J.
Allyn and Bacon , 1997
Buku Teks SO
Macionis, John J.
Prentice-Hall, 2000
Buku Teks
Jenings, Judy
[American Society for Training and Development Press;, ], 2004
eBooks
Chandler, Daniel
Routledge, 2002
Buku Teks SO
Macionis, John J.
Pearson-Prentice-Hall, 2000
Multimedia