Richardson, E. G. (1953). Technical aspects of sound: 3v.; v. 1. Sonic range and airborne sound.--v. 2. Ultrasonic range, underwater acoustics.--v. 3. Recent developments in acoustics. Elsevier.
শিকাগো স্টাইলে সাইটেশনRichardson, E. G. Technical Aspects of Sound: 3v.; V. 1. Sonic Range and Airborne Sound.--v. 2. Ultrasonic Range, Underwater Acoustics.--v. 3. Recent Developments in Acoustics. Amsterdam: Elsevier, 1953.
এমএলএ সাইটেশনRichardson, E. G. Technical Aspects of Sound: 3v.; V. 1. Sonic Range and Airborne Sound.--v. 2. Ultrasonic Range, Underwater Acoustics.--v. 3. Recent Developments in Acoustics. Elsevier, 1953.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.