1. Bertoldi, Paolo, A. Ricci, A. de Almeida. (2001). Energy Efficiency in Household Appliances and Lighting.
2. California Energy Commission. (2010). California Energy Commission appliance efficiency database. http://www.energy.ca.gov/appliances/database/ . Posted July.
3. Commonwealth of Australia—Department of Climate Change and Energy Efficiency. (2012) Equipment Energy Efficiency (E3) Energy Rating - Compare Appliances: Clothes Dryers - AS/NZS 2442.2. http://reg.energyrating.gov.au/comparator/product_types/35/search/
4. Denkenberger, David, S. Mau, C. Calwell, E. Wanless, B. Trimboli. (2012) What lurks beneath: energy savings opportunities from better testing and technologies in residential clothes dryers. 2012 ACEEE Summer Conference. http://www.aceee.org/files/proceedings/2012/data/papers/0193-000293.pdf
5. Federal Reserve Board. (1989, 1992, 1995, 1998 2001, 2004, 2007). Survey of Consumer Finances. http://www.federalreserve.gov/econresdata/scf/scfindex.htm .