Lee, A. J. (1990). U-statistics: Theory and practice. Marcel Dekker.
Cita Chicago (17th ed.)Lee, Alan J. U-statistics: Theory and Practice. Nueva York: Marcel Dekker, 1990.
Cita MLA (9th ed.)Lee, Alan J. U-statistics: Theory and Practice. Marcel Dekker, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.