Northwest Power and Conservation Council (U.S.). (2007). Achievable savings: A retrospective look at the Northwest Power and Conservation Council's conservation planning assumptions ([Aug. 2007 version].). [Northwest Power and Conservation Council].
Chicago Style (17th ed.) CitationNorthwest Power and Conservation Council (U.S.). Achievable Savings: A Retrospective Look at the Northwest Power and Conservation Council's Conservation Planning Assumptions. [Aug. 2007 version]. [Portland, Or.]: [Northwest Power and Conservation Council], 2007.
MLA (9th ed.) CitationNorthwest Power and Conservation Council (U.S.). Achievable Savings: A Retrospective Look at the Northwest Power and Conservation Council's Conservation Planning Assumptions. [Aug. 2007 version]. [Northwest Power and Conservation Council], 2007.