GIBBONS, J. D. (1976). Nonparametric methods for quantitative. Holt.
Cita Chicago (17th ed.)GIBBONS, Jean Dickinson. Nonparametric Methods for Quantitative. New York: Holt, 1976.
Cita MLA (9th ed.)GIBBONS, Jean Dickinson. Nonparametric Methods for Quantitative. Holt, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.