APA-ийн эшлэл(7 дахь хэвлэлт)

Bell, S., & Morse, S. (2003). Measuring sustainability: Learning by doing. Earthscan Publications Ltd.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Bell, Simon, ба Stephen Morse. Measuring Sustainability: Learning by Doing. London ; Sterling, VA: Earthscan Publications Ltd, 2003.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Bell, Simon, ба Stephen Morse. Measuring Sustainability: Learning by Doing. Earthscan Publications Ltd, 2003.