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.

Colvin, Madeleine, and 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.

Colvin, Madeleine, and 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.