Brown, Arnold, author
McGraw-Hill, 1984
Buku Teks
Murrell, Kenneth L., author
[American Society for Training and Development Press;American Society for Training and Development Press, American Society for Training and Development Press], 1997
eBooks
Robbins, Stephen P., author
Pearson, 2017
Buku Teks
Quirke, Bill, author
McGraw-Hill, 1995
Buku Teks
Kissler, Gary D., author
Addison-Wesley, 1991
Buku Referensi