APA-referens (7:e uppl.)
Sternbeck, J. (2011). Using sludge on arable land - effect based levels and long-term accumulation for certain organic pollutants. Nordic Council of Ministers.
Chicago-referens (17:e uppl.)
Sternbeck, John. Using Sludge on Arable Land - Effect Based Levels and Long-term Accumulation for Certain Organic Pollutants. Copenhagen: Nordic Council of Ministers, 2011.
MLA-referens (9:e uppl.)
Sternbeck, John. Using Sludge on Arable Land - Effect Based Levels and Long-term Accumulation for Certain Organic Pollutants. Nordic Council of Ministers, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.