Merriam, S. B., Baumgartner, L. M., & Caffarella, R. S. (2006). Learning in adulthood: A comprehensive guide (3rd ed.). Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Merriam, Sharan B., Lisa M. Baumgartner, agus Rosemary S. Caffarella. Learning in Adulthood: A Comprehensive Guide. 3rd ed. San Francisco, CA: Jossey-Bass, 2006.
Lua MLA (9ú heag.)Merriam, Sharan B., et al. Learning in Adulthood: A Comprehensive Guide. 3rd ed. Jossey-Bass, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.