Cita APA (7th ed.)

Krishnaish, P. R., & Sen, P. K. (1991). Nonparametric methods. North-Holland.

Cita Chicago (17th ed.)

Krishnaish, Paruchuri R., i Pranab Kumar Sen. Nonparametric Methods. Amsterdam: North-Holland, 1991.

Cita MLA (9th ed.)

Krishnaish, Paruchuri R., i Pranab Kumar Sen. Nonparametric Methods. North-Holland, 1991.