edited by Ronald J. Prinz
Jessica Kingsley, 1991
Buku Teks
editor Ronald J. Prinz
Jessica Kingsley Publishers, 1991
Buku Referensi
Ramsay, Michael C., author
John Wiley & Sons, 2002
Buku Teks
Simeonsson, Rune J., author
Allyn and Bacon, 1986
Buku Teks
Robinson, Dana Gaines, author
[American Society for Training & Development Press, American Society for Training & Development Press], 2000
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