Gaya APA

SIEGEL, S., CASTELLAN, N, J. (1988). Nonparametric statistics for the behavioral sciences (2nd ed.). Auckland: McGraw-Hill International Book Company.

Gaya MLA

SIEGEL, Sidney., CASTELLAN, N, John. "Nonparametric statistics for the behavioral sciences". 2nd ed. Auckland: McGraw-Hill International Book Company, 1988. Buku.