Lehman, R. M., & Conceição, S. C. O. (2014). Motivating and retaining online students: Research-based strategies that work (First edition.). Jossey-Bass.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lehman, Rosemary M., و Simone C. O. Conceição. Motivating and Retaining Online Students: Research-based Strategies That Work. First edition. San Francisco, CA: Jossey-Bass, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Lehman, Rosemary M., و Simone C. O. Conceição. Motivating and Retaining Online Students: Research-based Strategies That Work. First edition. Jossey-Bass, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.