Lewis, O. Substances in service of the soul: Orly Lewis. The soul is an octopus : ancient ideas of life and the body.(2016).
Chicago-viite (17. p.)Lewis, Orly. "Substances in Service of the Soul: Orly Lewis." The Soul Is an Octopus : Ancient Ideas of Life and the Body.(2016) .
MLA-viite (8. p.)Lewis, Orly. "Substances in Service of the Soul: Orly Lewis." The Soul Is an Octopus : Ancient Ideas of Life and the Body.(2016), .
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.