Vella, J. K., & Ashworth, J. (2008). On teaching and learning: Putting the principles and practices of dialogue education into action (First edition.). Jossey-Bass.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Vella, Jane Kathryn, و Joanna Ashworth. On Teaching and Learning: Putting the Principles and Practices of Dialogue Education into Action. First edition. San Francisco, California: Jossey-Bass, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Vella, Jane Kathryn, و Joanna Ashworth. On Teaching and Learning: Putting the Principles and Practices of Dialogue Education into Action. First edition. Jossey-Bass, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.