Jeffcoate, Judith
Prentice Hall, 1995, 1995
Buku Teks
Moeslund, Thomas B.
Springer-Verlag, 2012
eBooks
Kerr, Elaine B.
Academic Press, 1982
Buku Teks
edited by Steve Renals, Hervé Bourlard, Jean Carletta, and Andrei Popescu-Belis
Cambridge University Press, 2012
Buku Teks
Raghavan, S. V.
Prentice-Hall, 1998
Buku Teks