• Barash PG, Cullen BF, Stoelting RK (2006), Clinical Anesthesia 5th Edition J.B. Lippincott. Philadelphia. 

• Lucille Bartholomeusz and Jean Lees (2006) Safe Anaesthesia. 3rd edition, Gaudion Road, Doncaster East, Victoria, 3109, Australia 

• Ronald D Miller and Manuel C Pardo, Jr (2011) Basics of anesthesia, 6th editio, Elsevier, John F. Ste 1800. Philadelphia 

• George Kovacs and J. Adam Law (2008), Airway management in emergencies. McGraw-Hill Companies, Inc. USA 

• H.Edward Morgan, Jr., Maged S. Mikhail, Michael J. Murray (2006) Clinical Anesthesiology, 4th Edition, McGraw-Hill Companies, Inc. USA 

• Ronald D. Miller(2010), Miller's Anesthesia 7th edition Churchill Livingstone, an imprint of Elsevier Inc. 1600 John F. Kennedy Blvd. Ste 1800 Philadelphia 

• Daniel D. Moos, Basic guide to anesthesia for developing countries, http://www.worldanaesthesia.org, Accessed on August 28th, 2013