Bragg, W. H. (1925). Concerning the nature of things: Six lectures delivered at the Royal Institution. G. Bell.
Chicago-referens (17:e uppl.)Bragg, William Henry. Concerning the Nature of Things: Six Lectures Delivered at the Royal Institution. London: G. Bell, 1925.
MLA-referens (8:e uppl.)Bragg, William Henry. Concerning the Nature of Things: Six Lectures Delivered at the Royal Institution. G. Bell, 1925.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.