Ladd, E. C. (1975). The divided academy. Norton.
Chicago-čujuhus (17. p.)Ladd, Everett Carll. The Divided Academy. NewYork: Norton, 1975.
MLA-čujuhus (9. p.)Ladd, Everett Carll. The Divided Academy. Norton, 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.