Drogin, E. Y., & Barrett, C. L. (2010). Evaluation for guardianship. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Drogin, Eric York, agus Curtis L. Barrett. Evaluation for Guardianship. Oxford ; New York: Oxford University Press, 2010.
Lua MLA (9ú heag.)Drogin, Eric York, agus Curtis L. Barrett. Evaluation for Guardianship. Oxford University Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.