Walter , A. (1916). A practical guide to X-Rays, electro-therapeutics and radium therapy. Thacker, Spink.
Chicago-referens (17:e uppl.)Walter , A.E. A Practical Guide to X-Rays, Electro-therapeutics and Radium Therapy. Calcutta: Thacker, Spink, 1916.
MLA-referens (9:e uppl.)Walter , A.E. A Practical Guide to X-Rays, Electro-therapeutics and Radium Therapy. Thacker, Spink, 1916.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.