Patrick Campbell, Adrian Kear
Routledge, 2001
Buku Teks
Willmore, Joe, author
[American Society for Training and Development Press;, ], 2004
eBooks
Cadwell, Charles M., author
[American Management Association;, ], 2000
eBooks
Bail, Murray, author
Vict Viking Penguin, 1987
Buku Teks
Bail, Murray, author
Pinguin Books Australia, 1988
Buku Teks