Hammer, M., & Lodder, C. (1999). Constructing modernity: The art and career of Naum Gabo.
Lua i Stíl Chicago (17ú heag.)Hammer, Martin, agus Christina Lodder. Constructing Modernity: The Art and Career of Naum Gabo. New Haven, 1999.
Lua MLA (8ú heag.)Hammer, Martin, agus Christina Lodder. Constructing Modernity: The Art and Career of Naum Gabo. 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.