Welsh, P., & Leonardo, B. (1992). Freedom from arthritis through nutrition: A guidebook for pain-free living with original recipes (Expanded, 6th ed.). Tree of Life Publications.
Chicago-viite (17. p.)Welsh, Philip, ja Bianca Leonardo. Freedom from Arthritis Through Nutrition: A Guidebook for Pain-free Living with Original Recipes. Expanded, 6th ed. Joshua Tree, CA: Tree of Life Publications, 1992.
MLA-viite (9. p.)Welsh, Philip, ja Bianca Leonardo. Freedom from Arthritis Through Nutrition: A Guidebook for Pain-free Living with Original Recipes. Expanded, 6th ed. Tree of Life Publications, 1992.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.