Bell, K. (2007). Judith Hopf: Opting out, collaboration and the inappropriate behaviour of bodies. frieze.
Chicago-Zitierstil (17. Ausg.)Bell, Kirsty. "Judith Hopf: Opting Out, Collaboration and the Inappropriate Behaviour of Bodies." Frieze 2007.
MLA-Zitierstil (8. Ausg.)Bell, Kirsty. "Judith Hopf: Opting Out, Collaboration and the Inappropriate Behaviour of Bodies." Frieze, 2007.
警告：這些引文格式不一定是100％准確.