1Berne, Emma Carlson. Depression. Farmington Hills, MI: The Gale Group, 2007.
2Brees, Karen K, PhD. The Everything Guide to Depression. Avon, MA: F+W Publications, Inc., 2008.
3"Depression: Facts, Statistics, and You." Healthline. Accessed: October 10, 2019.
4“Depression Hard on the Bones.” Reuters Health. September 17, 2009. Accessed: September 27, 2009.
5“Eating Seafood While Pregnant May Boost Mood.” Reuters Health. July 30, 2009. Accessed: September 26, 2009.
6Edwards, Virginia, M.D. Depression and Bipolar Disorders: Everything You Need to Know. Buffalo, NY: Firefly Books Inc., 2002.
7Hendrick, Bill. “Adults Playing Video Games: Health Risks?” WebMD. August 20, 2009. Accessed: September 28, 2009.
8Lam, Raymond W. and Hiram Wok. Depression. New York, NY: Oxford University Press, 2008.
9Preidt, Robert. “Foreclosures Plunge People into Depression.” University of Pennsylvania School of Medicine, News Release August 18, 2009. Accessed: September 27, 2009.