Paul Newbold. (1137). Statistics methods.
Chicago-čujuhus (17. p.)Paul Newbold. Statistics Methods. A hoston, 1137.
MLA-čujuhus (9. p.)Paul Newbold. Statistics Methods. 1137.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.