Lee, A. J. (1990). U-statistics: Theory and practice. Marcel Dekker.
Chicago-čujuhus (17. p.)Lee, Alan J. U-statistics: Theory and Practice. Nueva York: Marcel Dekker, 1990.
MLA-čujuhus (9. p.)Lee, Alan J. U-statistics: Theory and Practice. Marcel Dekker, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.