Dean, S., & Illowsky, B. (2009, February 19). Descriptive Statistics: Histogram. Retrieved from the Connexions Web site: http://cnx.org/content/m16298/1.11/
Sturges, H. A. (1926). „The choice of a class interval“. Journal of the American Statistical Association. 21-jild, № 153. 65–66-bet. doi:10.1080/01621459.1926.10502161. JSTOR2965501.
Scott, David W. (2009). „Sturges' rule“. WIREs Computational Statistics. 1-jild, № 3. doi:10.1002/wics.35.
Sturges, H. A. (1926). „The choice of a class interval“. Journal of the American Statistical Association. 21-jild, № 153. 65–66-bet. doi:10.1080/01621459.1926.10502161. JSTOR2965501.