Gillian, E., Craig, M.(1996).A Simple approach to digital signal processing / Craig Marven, Gillian Ewers .New York:John Wiley n Sons.
Gaya MLA
Ewers, Gillian., Marven, Craig."A Simple approach to digital signal processing / Craig Marven, Gillian Ewers".New York:John Wiley n Sons,1996.Textbook.