Lua APA (7ú heag.)
Tew, M., Read, M., & Potter, H. (2007). Circles, PSHE and citizenship: Assessing the value of circle time in secondary school. Paul Chapman.
Lua i Stíl Chicago (17ú heag.)
Tew, Marilyn, Mary Read, agus Hilary Potter. Circles, PSHE and Citizenship: Assessing the Value of Circle Time in Secondary School. London: Paul Chapman, 2007.
Lua MLA (9ú heag.)
Tew, Marilyn, et al. Circles, PSHE and Citizenship: Assessing the Value of Circle Time in Secondary School. Paul Chapman, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.