Cook, Chris, author
Macmillan, 1990
Buku Referensi
Henderson, I. F.
Longman, 1975
Buku Referensi
British Kinematograph Sound and Television Society
Focal Press, 1983
Buku Referensi
consultant, Elaine Biech; editors, Jennifer Mitchell, Cat Russo
American Society for Training & Development, 2005
eBooks
Cat Russo, editor
American Society for Training & Development, 2011
eBooks