1. Essential oils from two PeruvianSatureja species
2. Duke, J. A. 1989.CRC Handbook of Medicinal Herbs, 432–433. Boca Raton: CRC Press.
3. Leung, A. Y. and Foster, S. 1996.Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics,, 2nd Edn., 465–466. New York: John Wiley & Sons, Inc.
4. Savory oil (summer variety)