Natural Resources Canada, Minerals and Metals Sector. (1996). R-Net: Recycling technology newsletter. Canmet.
Lua i Stíl Chicago (17ú heag.)Natural Resources Canada, Minerals and Metals Sector. R-Net: Recycling Technology Newsletter. Ottawa: Canmet, 1996.
Lua MLA (8ú heag.)Natural Resources Canada, Minerals and Metals Sector. R-Net: Recycling Technology Newsletter. Canmet, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.