Beer, C. J., & Poelsma, D. (1981). Gay workers: Trade unions and the law / Chris Beer.Introduction by Tony Benn MP. Cartoons by Dominic Poelsma. Blackrose.

Beer, Chris; Jeffrey, and Domonic Poelsma. Gay Workers: Trade Unions and the Law / Chris Beer.Introduction by Tony Benn MP. Cartoons by Dominic Poelsma. London: Blackrose, 1981.

Beer, Chris; Jeffrey, and Domonic Poelsma. Gay Workers: Trade Unions and the Law / Chris Beer.Introduction by Tony Benn MP. Cartoons by Dominic Poelsma. Blackrose, 1981.