APA-ийн эшлэл(7 дахь хэвлэлт)

Gibson, R. B., & Hassan, S. (2005). Sustainability assessment: Criteria and processes. Earthscan.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Gibson, Robert B., ба Selma Hassan. Sustainability Assessment: Criteria and Processes. London ; Sterling, VA: Earthscan, 2005.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Gibson, Robert B., ба Selma Hassan. Sustainability Assessment: Criteria and Processes. Earthscan, 2005.