Gaya APA

Lawless, ., Lawless, J. (2014). E-book The Encyclopedia of Essential Oils: The Complete Guide to the Use of Aromatic Oils in Aromatherapy, Herbalism, Health & Well-being . London: Harper Thorsons.

Gaya MLA

Lawless, ., Lawless, Julia. "E-book The Encyclopedia of Essential Oils: The Complete Guide to the Use of Aromatic Oils in Aromatherapy, Herbalism, Health & Well-being". London: Harper Thorsons, 2014. Text.