Vella, J. K., & Ashworth, J. (2008). On teaching and learning: Putting the principles and practices of dialogue education into action (First edition.). Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Vella, Jane Kathryn, agus Joanna Ashworth. On Teaching and Learning: Putting the Principles and Practices of Dialogue Education into Action. First edition. San Francisco, California: Jossey-Bass, 2008.
Lua MLA (9ú heag.)Vella, Jane Kathryn, agus Joanna Ashworth. On Teaching and Learning: Putting the Principles and Practices of Dialogue Education into Action. First edition. Jossey-Bass, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.