Krishnaish, P. R., & Sen, P. K. (1991). Nonparametric methods. North-Holland.
Cita Chicago Style (17a ed.)Krishnaish, Paruchuri R., y Pranab Kumar Sen. Nonparametric Methods. Amsterdam: North-Holland, 1991.
Cita MLA (9a ed.)Krishnaish, Paruchuri R., y Pranab Kumar Sen. Nonparametric Methods. North-Holland, 1991.
Precaución: Estas citas no son 100% exactas.