King Alexander, & Knight William. (2003). Uninterruptible power supplies and standby power systems (In lần thứ 1.). American: MC Graw Hill.
শিকাগো স্টাইলে সাইটেশনKing Alexander, এবং Knight William. Uninterruptible Power Supplies and Standby Power Systems. In lần thứ 1. American: MC Graw Hill, 2003.
এমএলএ সাইটেশনKing Alexander, এবং Knight William. Uninterruptible Power Supplies and Standby Power Systems. In lần thứ 1. American: MC Graw Hill, 2003.
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