Various; Watson, T. E. Watson's Magazine, Vol. IV, No. 1, March, 1906.
Chicago-čujuhus (17. p.)Various; Watson, Thomas E. Watson's Magazine, Vol. IV, No. 1, March, 1906.
MLA-čujuhus (9. p.)Various; Watson, Thomas E. Watson's Magazine, Vol. IV, No. 1, March, 1906.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.