Gleich, A. v., Ayres, R. U., & Gossling-Reisemann, S. (2006). Sustainable metals management: Securing our future - steps towards a closed loop economy. London : Springer.
Lua i Stíl Chicago (17ú heag.)Gleich, Arnim von, Robert U. Ayres, agus Stefan Gossling-Reisemann. Sustainable Metals Management: Securing Our Future - Steps Towards a Closed Loop Economy. London : Springer, 2006.
Lua MLA (9ú heag.)Gleich, Arnim von, et al. Sustainable Metals Management: Securing Our Future - Steps Towards a Closed Loop Economy. London : Springer, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.