Bliss, H. E. (1929). The Organization of knowledge and the system of the sciences. Holt.
Chicago-referens (17:e uppl.)Bliss, Henry Evelyn. The Organization of Knowledge and the System of the Sciences. New York: Holt, 1929.
MLA-referens (9:e uppl.)Bliss, Henry Evelyn. The Organization of Knowledge and the System of the Sciences. Holt, 1929.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.