Trier, E. (1962). Form and space: Sculpture of the twentieth century. Praeger.
Cita Chicago (17th ed.)Trier, Eduard. Form and Space: Sculpture of the Twentieth Century. New York: Praeger, 1962.
Cita MLA (9th ed.)Trier, Eduard. Form and Space: Sculpture of the Twentieth Century. Praeger, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.