Worwood, Valerie Ann. (2016). The Complete Book of Essential Oils and Aromatherapy : Over 800 Natural, nontoxic, and Fragrant Recipes to Create Health, Beauty, and Safe Home and Work Environments. (2nd edition). Novato, CA. New World Library.
Worwood, Valerie Ann. (2016). The Complete Book of Essential Oils and Aromatherapy : Over 800 Natural, nontoxic, and Fragrant Recipes to Create Health, Beauty, and Safe Home and Work Environments. (2nd edition). Novato, CA. New World Library.