Welford, R. (1996). Corporate environmental management: Systems and strategies. Earthscan ; Universities Press.
Chicago-referens (17:e uppl.)Welford, Richard. Corporate Environmental Management: Systems and Strategies. London : New Delhi: Earthscan ; Universities Press, 1996.
MLA-referens (8:e uppl.)Welford, Richard. Corporate Environmental Management: Systems and Strategies. Earthscan ; Universities Press, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.