Härdle, W., & Hlávka, Z. (2007). Multivariate statistics: Exercises and solutions. Springer.
Citazione stile Chigago Style (17a edizione)Härdle, Wolfgang, e Zdeněk Hlávka. Multivariate Statistics: Exercises and Solutions. New York: Springer, 2007.
Citatione MLA (9a ed.)Härdle, Wolfgang, e Zdeněk Hlávka. Multivariate Statistics: Exercises and Solutions. Springer, 2007.