Welford, R. (1995). Environmental strategy and sustainable: Development: the corporate challenge for the twenty-first century. Routledge.
Chicago Style (17th ed.) ZitazioaWelford, Richard. Environmental Strategy and Sustainable: Development: The Corporate Challenge for the Twenty-first Century. London: Routledge, 1995.
MLA (9th ed.) ZitazioaWelford, Richard. Environmental Strategy and Sustainable: Development: The Corporate Challenge for the Twenty-first Century. Routledge, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.