Singh R.P & Sapre S.D. (2017). Communication Systems: Analog And Digital (3th.). Mc Graw Hill Education (India)Pvt.Ltd.
Chicago-čujuhus (17. p.)Singh R.P juo Sapre S.D. Communication Systems: Analog And Digital. 3th. Chennai: Mc Graw Hill Education (India)Pvt.Ltd, 2017.
MLA-čujuhus (9. p.)Singh R.P juo Sapre S.D. Communication Systems: Analog And Digital. 3th. Mc Graw Hill Education (India)Pvt.Ltd, 2017.
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