Cita APA (7th ed.)
Huhtinen, K. (2009). Instruments for waste prevention and promoting material efficiency: A nordic review. Nordic Council of Ministers.
Cita Chicago (17th ed.)
Huhtinen, Kaarina. Instruments for Waste Prevention and Promoting Material Efficiency: A Nordic Review. Copenhagen: Nordic Council of Ministers, 2009.
Cita MLA (9th ed.)
Huhtinen, Kaarina. Instruments for Waste Prevention and Promoting Material Efficiency: A Nordic Review. Nordic Council of Ministers, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.