एपीए उद्धरण

Richard E. Berg. Demonstrations in acoustics. New Jersey: Univ. of Maryland.

शिकागो स्टाइल उद्धरण

Richard E. Berg. Demonstrations in Acoustics. New Jersey: Univ. of Maryland.

एमएलए उद्धरण

Richard E. Berg. Demonstrations in Acoustics. New Jersey: Univ. of Maryland.