Welford, R. (1995). Environmental strategy and sustainable: Development: the corporate challenge for the twenty-first century. Routledge.
Chicago-čujuhus (17. p.)Welford, Richard. Environmental Strategy and Sustainable: Development: The Corporate Challenge for the Twenty-first Century. London: Routledge, 1995.
MLA-čujuhus (9. p.)Welford, Richard. Environmental Strategy and Sustainable: Development: The Corporate Challenge for the Twenty-first Century. Routledge, 1995.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.