Kappler, Karolin Eva
VS Verlag, 2012
eBooks
Jennifer M. Brown, Sandra L. Walklate, editors
Routledge, 2012
Buku Teks
Bennett, Jeffrey O.
Pearson - Addison Wesley, 2009
Multimedia
Cambridge University Press, 2004
Buku Teks
edited by Marcello Truzzi
Prentice-Hall, 1968
Buku Teks