Παραπομπή APA

Powers, D. A., & Xie, Y. (2000). Statistical methods for categorical data analysis. Academic Press.

Παραπομπή Chicago Style

Powers, Daniel A., και Yu Xie. Statistical Methods for Categorical Data Analysis. California: Academic Press, 2000.

Παραπομπή MLA

Powers, Daniel A., και Yu Xie. Statistical Methods for Categorical Data Analysis. Academic Press, 2000.