M.A Harvey Pollack. (1955). Basic principles and Applications of Relays (In lần thứ 1.). New York: John f. rider publisher,Inc.
শিকাগো স্টাইলে সাইটেশনM.A Harvey Pollack. Basic Principles and Applications of Relays. In lần thứ 1. New York: John f. rider publisher,Inc, 1955.
এমএলএ সাইটেশনM.A Harvey Pollack. Basic Principles and Applications of Relays. In lần thứ 1. New York: John f. rider publisher,Inc, 1955.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.