Mooney, Ruth A.
Delmar , 1996
Buku Teks SO
Rogers, Adam H.
Elsevier, 2008
Buku Teks SO
Khan, M. Gabriel
Saunders , 2003
Buku Teks SO
Barksdale, Susan
[American Society for Training & Development Press, American Society for Training & Development Press], 2002
eBooks
Edited by Ali K. Kamrani, Amad Abouel Nasr
Springer Science+Business Media, 2006
Buku Teks SO