Estop, Tora, author
[American Society for Training and Development Press;, ], 2005
eBooks
Edwards, Edward, author
Thoemmes Press, 1996
Buku Referensi
DeCarvalho, Roy Jose
Praeger , 1991
Buku Teks
Koester, Almut, author
Routledge, 2006
Buku Teks
Adler, Ronald B. (Ronald Brian), 1946-, author
McGraw-Hill, 2005
Multimedia