APA-viite (7. p.)

Welford, R. (1995). Environmental strategy and sustainable: Development: the corporate challenge for the twenty-first century. Routledge.

Chicago-viite (17. p.)

Welford, Richard. Environmental Strategy and Sustainable: Development: The Corporate Challenge for the Twenty-first Century. London: Routledge, 1995.

MLA-viite (9. p.)

Welford, Richard. Environmental Strategy and Sustainable: Development: The Corporate Challenge for the Twenty-first Century. Routledge, 1995.