एपीए उद्धरण

Lord, P. (1963). Noise measurement and control. Heywood & Company.

शिकागो स्टाइल उद्धरण

Lord, P. Noise Measurement and Control. Heywood & Company, 1963.

एमएलए उद्धरण

Lord, P. Noise Measurement and Control. Heywood & Company, 1963.