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Indiviglio, Daniel (April 8, 2010). "Why Isn't GM Selling HUMMER?". The Atlantic. Archived from the original on December 28, 2014. Retrieved April 6, 2015.
Indiviglio, Daniel (April 8, 2010). "Why Isn't GM Selling HUMMER?". The Atlantic. Archived from the original on December 28, 2014. Retrieved April 6, 2015.
Strickland, Jonathan (October 3, 2007). "How Hummers Work". auto.howstuffworks.com. Archived from the original on February 18, 2022. Retrieved April 10, 2022.