Black, J., & Ayres, S. (2013). Abstraction and reality: The sculpture of Ivor Roberts-Jones. Philip Wilson Publishers.
Citazione stile Chigago Style (17a edizione)Black, Jonathan, e Sara Ayres. Abstraction and Reality: The Sculpture of Ivor Roberts-Jones. London: Philip Wilson Publishers, 2013.
Citatione MLA (9a ed.)Black, Jonathan, e Sara Ayres. Abstraction and Reality: The Sculpture of Ivor Roberts-Jones. Philip Wilson Publishers, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.