Cita APA (7th ed.)

Gibbons, J. D. (1993). Nonparametric statistics: An introduction. Sage.

Cita Chicago (17th ed.)

Gibbons, Jean Dickinson. Nonparametric Statistics: An Introduction. London: Sage, 1993.

Cita MLA (9th ed.)

Gibbons, Jean Dickinson. Nonparametric Statistics: An Introduction. Sage, 1993.