एपीए उद्धरण

Society of Environmental Communications. (1992). (Journal) Down to earth. Society of Environmental Communications.

शिकागो स्टाइल उद्धरण

Society of Environmental Communications. (Journal) Down to Earth. New Delhi: Society of Environmental Communications, 1992.

एमएलए उद्धरण

Society of Environmental Communications. (Journal) Down to Earth. Society of Environmental Communications, 1992.