एपीए उद्धरण

Bell, F. G. (1993). Engineering treatment of soils. E & FN Spon.

शिकागो स्टाइल उद्धरण

Bell, F G. Engineering Treatment of Soils. London: E & FN Spon, 1993.

एमएलए उद्धरण

Bell, F G. Engineering Treatment of Soils. E & FN Spon, 1993.