Levine; Stephan. Even You Can Learn Statistics: A Guide for Everyone Who Has Ever Been Afraid of Statistics (2.). Pearson India.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Levine; Stephan. Even You Can Learn Statistics: A Guide for Everyone Who Has Ever Been Afraid of Statistics. 2. Pearson India.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Levine; Stephan. Even You Can Learn Statistics: A Guide for Everyone Who Has Ever Been Afraid of Statistics. 2. Pearson India.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.