Colvin, M., & Hawksley, J. (1989). Section 28: A practical guide to the law and its implications / by Madeleine Colvin with Jane Hawksley. National Council for Civil Liberties.
Lua i Stíl Chicago (17ú heag.)Colvin, Madeleine, agus Jane Hawksley. Section 28: A Practical Guide to the Law and Its Implications / by Madeleine Colvin with Jane Hawksley. London: National Council for Civil Liberties, 1989.
Lua MLA (8ú heag.)Colvin, Madeleine, agus Jane Hawksley. Section 28: A Practical Guide to the Law and Its Implications / by Madeleine Colvin with Jane Hawksley. National Council for Civil Liberties, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.