Krigger, J., & Dorsi, C. (2008). The homeowner's handbook to energy efficiency: A guide to big and small improvements. Helena, Mont.: Saturn Resource Management.
शिकागो स्टाइल उद्धरणKrigger, John, और Chris Dorsi. The Homeowner's Handbook to Energy Efficiency: A Guide to Big and Small Improvements. Helena, Mont.: Saturn Resource Management, 2008.
एमएलए उद्धरणKrigger, John, और Chris Dorsi. The Homeowner's Handbook to Energy Efficiency: A Guide to Big and Small Improvements. Helena, Mont.: Saturn Resource Management, 2008.
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