Werskey, G. (1978). The visible college. Allen Lane.
Lua i Stíl Chicago (17ú heag.)Werskey, Gary. The Visible College. London: Allen Lane, 1978.
Lua MLA (9ú heag.)Werskey, Gary. The Visible College. Allen Lane, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.