एपीए उद्धरण

Richard D Bardgett. (2010). The biology of soil: A community and ecosystem approach. OUP.

शिकागो स्टाइल उद्धरण

Richard D Bardgett. The Biology of Soil: A Community and Ecosystem Approach. OUP, 2010.

एमएलए उद्धरण

Richard D Bardgett. The Biology of Soil: A Community and Ecosystem Approach. OUP, 2010.