http://www.nhlbi.nih.gov/health/health-topics/topics/aed/howtouse, accessed February 01, 2016

http://www.mayoclinic.org/first-aid/first-aid-choking/basics/art-20056637, accessed November 01, 2015

http://www.ilcor.org/home/accessed February 1, 2016

http://medicine.unm.edu/programs-and-centers/coehp/common/docs/COEHP%20First%20Aid%20Provider_3_14.pdf, accessed November 01, 2015

http://www.sja.org.uk/sja/first-aid-advice/what-to-do-as-a-first-aider/the-role-of-a-first-aider.aspx, accessed November 01, 2015

http://www.ems.gov/pdf/811077b.pdf, accessed October 01, 2015
https://eccguidelines.heart.org/index.php/circulation/aha-red-cross-first-aid-guidelines/part-15-first-aid/ , accessed October 01, 2015

http://www.humankinetics.com/excerpts/excerpts/legal-considerations-prior-to-giving-emergency-medical-care, accessed November 01, 2015

http://eccguidelines.heart.org/wp-content/uploads/2015/10/2015-AHA-Guidelines-Highlights-English.pdf