Ruth Gilbert; Georgia Salanti; Melissa Harden; Sarah See (2005). "Infant sleeping position and the sudden infant death syndrome: systematic review of observational studies and historical review of recommendations from 1940 to 2002". International Journal of Epidemiology. 34 (4). Oxford University Press: 874–87. CiteSeerX10.1.1.488.3870. doi:10.1093/ije/dyi088. PMID15843394.
Barsky, Robert F. Noam Chomsky: a life of dissent. 1st ed. Cambridge: M.I.T. Press, 1998. Web. "Marching with the Armies of the Night". Archived from the original on January 16, 2013. Retrieved June 24, 2014.>
Ruth Gilbert; Georgia Salanti; Melissa Harden; Sarah See (2005). "Infant sleeping position and the sudden infant death syndrome: systematic review of observational studies and historical review of recommendations from 1940 to 2002". International Journal of Epidemiology. 34 (4). Oxford University Press: 874–87. CiteSeerX10.1.1.488.3870. doi:10.1093/ije/dyi088. PMID15843394.
Ruth Gilbert; Georgia Salanti; Melissa Harden; Sarah See (2005). "Infant sleeping position and the sudden infant death syndrome: systematic review of observational studies and historical review of recommendations from 1940 to 2002". International Journal of Epidemiology. 34 (4). Oxford University Press: 874–87. CiteSeerX10.1.1.488.3870. doi:10.1093/ije/dyi088. PMID15843394.
Barsky, Robert F. Noam Chomsky: a life of dissent. 1st ed. Cambridge: M.I.T. Press, 1998. Web. "Marching with the Armies of the Night". Archived from the original on January 16, 2013. Retrieved June 24, 2014.>