Brink, Pamela J., author
Jones and Bartlett, 1988
Buku Teks
Wood, Marilynn J., author
Jones and Bartlett , 2011
Buku Teks
Brink, Pamela J., author
Wadsworth, 1978
Buku Teks
Barksdale, Susan, author
American Society for Training & Development, 2006
eBooks
Potter, Patricia A., author
Mosby Elsevier, 2011
Buku Teks