Titterton, M. (2005). Risk and risk taking in health and social welfare (1st American pbk. ed.). Jessica Kingsley Publishers.
Lua i Stíl Chicago (17ú heag.)Titterton, Mike. Risk and Risk Taking in Health and Social Welfare. 1st American pbk. ed. Philadelphia: Jessica Kingsley Publishers, 2005.
Lua MLA (9ú heag.)Titterton, Mike. Risk and Risk Taking in Health and Social Welfare. 1st American pbk. ed. Jessica Kingsley Publishers, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.