Barker. Animal-Assisted Interventions in Health Care Settings. Purdue University Press.
Lua i Stíl Chicago (17ú heag.)Barker. Animal-Assisted Interventions in Health Care Settings. Purdue University Press.
Lua MLA (9ú heag.)Barker. Animal-Assisted Interventions in Health Care Settings. Purdue University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.