Keat, R., & Urry, J. (1975). Social theory as science. Routledge & K. Paul.
Lua i Stíl Chicago (17ú heag.)Keat, Russell, agus John Urry. Social Theory as Science. London: Routledge & K. Paul, 1975.
Lua MLA (9ú heag.)Keat, Russell, agus John Urry. Social Theory as Science. Routledge & K. Paul, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.