Kail, Robert V., author
W.H. Freeman, c1985
Buku Teks
Hedgecoe, Mark.
BBC Worldwide Limited, 2005
Multimedia
Hedgecoe, Mark.
BBC Worldwide Limited, 2005
Multimedia
Hedgecoe, Mark.
BBC Worldwide Limited, 2005
Multimedia
edited by Alick Elithorn and Ranan Banerji
North Holland, 1984
Buku Teks