Bradford, R. Teaching theory: Is it good for us? / Richard Bradford. The state of theory.(1993).
Lua i Stíl Chicago (17ú heag.)Bradford, Richard. "Teaching Theory: Is It Good for Us? / Richard Bradford." The State of Theory.(1993) .
Lua MLA (8ú heag.)Bradford, Richard. "Teaching Theory: Is It Good for Us? / Richard Bradford." The State of Theory.(1993), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.