Tainter, Donna R.; Anthony T. Grenis (2001). Spices and Seasonings. Wiley-IEEE. s. 30. ISBN0-471-35575-5. «Interlab variation [for the original Scoville scale] could be as high as + / - 50%. However, labs that run these procedures could generate reasonably repeatable results.»
chilepepperinstitute.org
«Anaheim Pepper»(PDF). Chile Pepper Institute at New Mexico State University. 2007. Arkivert frå originalen(PDF) 5. juli 2008. Henta 22. oktober 2007.
«The Police Policy Studies Council». www.theppsc.org. Henta 9. februar 2009. «Most law enforcement sprays have a pungency of 500,000 to 2 million SHU. One brand has sprays with 5.3 million SHU.»
