Vaughan, L. (2005). Statistical methods for the information professional: A practical, painless approach to understanding, using, and interpreting statistics (Fourth edition.). Published for the American Society for Information Science and Technology by Information Today.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Vaughan, Liwen. Statistical Methods for the Information Professional: A Practical, Painless Approach to Understanding, Using, and Interpreting Statistics. Fourth edition. Medford, N.J.: Published for the American Society for Information Science and Technology by Information Today, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Vaughan, Liwen. Statistical Methods for the Information Professional: A Practical, Painless Approach to Understanding, Using, and Interpreting Statistics. Fourth edition. Published for the American Society for Information Science and Technology by Information Today, 2005.