Erricken, B. (1971). Advance general statistics. Eng. Univ. Press.
Chicago-čujuhus (17. p.)Erricken, B. Advance General Statistics. London: Eng. Univ. Press, 1971.
MLA-čujuhus (9. p.)Erricken, B. Advance General Statistics. Eng. Univ. Press, 1971.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.