APA استشهاد

Helsel, D. R. (2012). Statistics for censored environmental data using Minitab and R (2nd ed.). Wiley.

استشهاد بنمط شيكاغو

Helsel, Dennis R. Statistics for Censored Environmental Data Using Minitab and R. 2nd ed. Hoboken, N.J.: Wiley, 2012.

MLA استشهاد

Helsel, Dennis R. Statistics for Censored Environmental Data Using Minitab and R. 2nd ed. Wiley, 2012.