Natural Resources Canada, Minerals and Metals Sector. (1996). R-Net: Recycling technology newsletter. Canmet.
Citação do estilo Chicago (17ª ed.)Natural Resources Canada, Minerals and Metals Sector. R-Net: Recycling Technology Newsletter. Ottawa: Canmet, 1996.
Citação MLA (8ª ed.)Natural Resources Canada, Minerals and Metals Sector. R-Net: Recycling Technology Newsletter. Canmet, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.