एपीए उद्धरण

Nelkon, M. O. (1977). Advanced level practical physics (4.).

शिकागो स्टाइल उद्धरण

Nelkon, M; Ogborn. Advanced Level Practical Physics. 4. English Language Book Society, London, 1977.

एमएलए उद्धरण

Nelkon, M; Ogborn. Advanced Level Practical Physics. 4. 1977.