Lua APA (7ú heag.)

Ritchie, A. C. (1952). Sculpture of the twentieth century.

Lua i Stíl Chicago (17ú heag.)

Ritchie, Andrew Carnduff. Sculpture of the Twentieth Century. New York, 1952.

Lua MLA (8ú heag.)

Ritchie, Andrew Carnduff. Sculpture of the Twentieth Century. 1952.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.