Lewith, G. T., Jonas, W. B., & Walach, H. (2011). Clinical Research in Complementary Therapics Principles, Problems, Solotions. Churcill Livingstone.
Chicago-viite (17. p.)Lewith, George T., Waynee B. Jonas, ja Havald Walach. Clinical Research in Complementary Therapics Principles, Problems, Solotions. Churcill Livingstone, 2011.
MLA-viite (9. p.)Lewith, George T., et al. Clinical Research in Complementary Therapics Principles, Problems, Solotions. Churcill Livingstone, 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.