Hänvisningar gällande denna post

APA-referens (7:e uppl.)
National Research Council (U.S.). Committee on Spacecraft Exposure Guidelines & ebrary, Inc. (2008). Spacecraft maximum allowable concentrations for selected airborne contaminants. National Academy Press.
Chicago-referens (17:e uppl.)
National Research Council (U.S.). Committee on Spacecraft Exposure Guidelines och Inc ebrary. Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants. Washington, D.C.: National Academy Press, 2008.
MLA-referens (9:e uppl.)
National Research Council (U.S.). Committee on Spacecraft Exposure Guidelines och Inc ebrary. Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants. National Academy Press, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.