Lua APA (7ú heag.)

GABEL, R. A. (1995). SIGNALS AND LINEAR SYSTEMS, 3RD ED. JOHN WILEY AND SONS.

Lua i Stíl Chicago (17ú heag.)

GABEL, ROBERT A. SIGNALS AND LINEAR SYSTEMS, 3RD ED. SINGAPORE: JOHN WILEY AND SONS, 1995.

Lua MLA (9ú heag.)

GABEL, ROBERT A. SIGNALS AND LINEAR SYSTEMS, 3RD ED. JOHN WILEY AND SONS, 1995.

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