Lua APA (7ú heag.)
Johnson, J. R. (1989). Introduction to digital signal processing. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)
Johnson, Johnny R. Introduction to Digital Signal Processing. Englewood Cliffs, NJ: Prentice Hall, 1989.
Lua MLA (9ú heag.)
Johnson, Johnny R. Introduction to Digital Signal Processing. Prentice Hall, 1989.
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