Recycling facts and figures Paper recycling

^ howsam, leslie (1991). cheap bibles: nineteenth century publishing , british , foreign bible society. cambridge university press. isbn 0521522129. 
^ recovered paper . bureau of international recycling. archived original on 6 april 2007. retrieved 20 may 2007. 
^ source: international institute environment , development (iied) discussion paper (iied, london, september 1996)
^ paper facts & trivia . paper project. retrieved 2014-06-09. 
^ wastes – resource conservation – common wastes & materials – paper recycling . epa . epa.gov. 2006-06-28. archived original on 9 may 2013. retrieved 2014-06-09. 
^ north american factbook ppi, 1995 (figures 1993)
^ reuse v recycle article . retrieved january 2016.  check date values in: |access-date= (help)
^ gartner group , hp
^ paper facts & trivia . paper project. retrieved 2014-06-09. 
^ recycling facts , tips | sita australia . sita.com.au. retrieved 2014-06-09. 
^ paper , cardboard fact sheet (pdf). clean australia ltd. september 2009. retrieved 2014-06-09.