Boynton, P., Wood, G., & Greenhalgh, T. (2004). Reaching beyond the white middle classes.
Lua i Stíl Chicago (17ú heag.)Boynton, P., G. Wood, agus T. Greenhalgh. Reaching Beyond the White Middle Classes. 2004.
Lua MLA (9ú heag.)Boynton, P., et al. Reaching Beyond the White Middle Classes. 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.