Gabel Robert A., & Roberts Richard A. (1987). Signals and Linear Systems (Tái bản lần thứ 3.). American: John Wiley & Sons, Inc.
শিকাগো স্টাইলে সাইটেশনGabel Robert A., এবং Roberts Richard A. Signals and Linear Systems. Tái bản lần thứ 3. American: John Wiley & Sons, Inc, 1987.
এমএলএ সাইটেশনGabel Robert A., এবং Roberts Richard A. Signals and Linear Systems. Tái bản lần thứ 3. American: John Wiley & Sons, Inc, 1987.
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