Tohutoro APA (7th ed.)
Sternbeck, J. (2011). Using sludge on arable land - effect based levels and long-term accumulation for certain organic pollutants. Nordic Council of Ministers.
Tohutoru Kātū Chicago (17th ed.)
Sternbeck, John. Using Sludge on Arable Land - Effect Based Levels and Long-term Accumulation for Certain Organic Pollutants. Copenhagen: Nordic Council of Ministers, 2011.
Tohutoro MLA (9th ed.)
Sternbeck, John. Using Sludge on Arable Land - Effect Based Levels and Long-term Accumulation for Certain Organic Pollutants. Nordic Council of Ministers, 2011.
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