Lockwood, B. (2007). Nutraceuticals: A guide for health care professionals (2nd ed.). Pharmaceutical Press.
Chicago-viite (17. p.)Lockwood, Brain. Nutraceuticals: A Guide for Health Care Professionals. 2nd ed. London: Pharmaceutical Press, 2007.
MLA-viite (9. p.)Lockwood, Brain. Nutraceuticals: A Guide for Health Care Professionals. 2nd ed. Pharmaceutical Press, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.