Welford, R. (1996). Corporate environmental management: Systems and strategies. Earthscan ; Universities Press.
Lua i Stíl Chicago (17ú heag.)Welford, Richard. Corporate Environmental Management: Systems and Strategies. London : New Delhi: Earthscan ; Universities Press, 1996.
Lua MLA (8ú heag.)Welford, Richard. Corporate Environmental Management: Systems and Strategies. Earthscan ; Universities Press, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.