Ruthe, I. (2011). Bridget Riley: Paintings and Related Work. Flash Art.
Chicago-Zitierstil (17. Ausg.)Ruthe, Ingeborg. "Bridget Riley: Paintings and Related Work." Flash Art 2011.
MLA-Zitierstil (8. Ausg.)Ruthe, Ingeborg. "Bridget Riley: Paintings and Related Work." Flash Art, 2011.
警告：这些引文格式不一定是100％准确.