एपीए उद्धरण

Van Riper, C., & Butler, K. G. (1955). Speech in thhe elementary classroom.

शिकागो स्टाइल उद्धरण

Van Riper, Charles, और Katharine G. Butler. Speech in Thhe Elementary Classroom. 1955.

एमएलए उद्धरण

Van Riper, Charles, और Katharine G. Butler. Speech in Thhe Elementary Classroom. 1955.