Timms, N., & Watson, D. (1978). Philosophy in social work. Routledge & Kegan Paul.
Lua i Stíl Chicago (17ú heag.)Timms, N., agus D. Watson. Philosophy in Social Work. London: Routledge & Kegan Paul, 1978.
Lua MLA (9ú heag.)Timms, N., agus D. Watson. Philosophy in Social Work. Routledge & Kegan Paul, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.