एपीए उद्धरण

Biju P.S and Sooraj.K. (1994). Portable data recording system using audio cassette recorder.

शिकागो स्टाइल उद्धरण

Biju P.S and Sooraj.K. Portable Data Recording System Using Audio Cassette Recorder. CESS, Thiruvananthapuram, 1994.

एमएलए उद्धरण

Biju P.S and Sooraj.K. Portable Data Recording System Using Audio Cassette Recorder. 1994.