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National Oceanic and Atmospheric Administration; National Aeronautics and Space Administration; United States Air Force (October 1976). U.S. Standard Atmosphere, 1976(PDF). Washington, D.C.: U.S. Government Printing Office. p.3. NOAA-S/T 76-1562. Archived from the original(PDF) on 2007-07-05. Retrieved 2007-01-16.
Moran, Michael J.; Shapiro, Howard N.; Boettner, Daisie D.; Bailey, Margaret B. (2018). Fundamentals of Engineering Thermodynamics (9thed.). Hoboken, New Jersey: Wiley.