Cummings, N., & Lewandowska, M. (2000). The Value of Things: Neil Cummings and Marysia Lewandowska. Birkhäuser ; August.
Lua i Stíl Chicago (17ú heag.)Cummings, Neil, agus Marysia Lewandowska. The Value of Things: Neil Cummings and Marysia Lewandowska. Basel [u.a.] ; London: Birkhäuser ; August, 2000.
Lua MLA (8ú heag.)Cummings, Neil, agus Marysia Lewandowska. The Value of Things: Neil Cummings and Marysia Lewandowska. Birkhäuser ; August, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.