Koch, Janice, author
Wadsworth , 2012
Buku Referensi
Malouf, Doug, author
Business & Professional , 1994
Buku Teks
Elengolds, Linda J., author
[American Society for Training & Development Press, American Society for Training & Development Press], 2001
eBooks
Back, Shlomo
Sense, 2012
eBooks
Arends, Richard I., 1990-, author
McGraw-Hill, 2012
Buku Teks