APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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