Cita APA (7th ed.)
Aalto, K. (2008). The Nordic swan - from past experiences to future possibilities: The third evaluation of the Nordic ecolabelling scheme. Nordic Council of Ministers.
Cita Chicago (17th ed.)
Aalto, Kristiina. The Nordic Swan - from Past Experiences to Future Possibilities: The Third Evaluation of the Nordic Ecolabelling Scheme. Copenhagen: Nordic Council of Ministers, 2008.
Cita MLA (9th ed.)
Aalto, Kristiina. The Nordic Swan - from Past Experiences to Future Possibilities: The Third Evaluation of the Nordic Ecolabelling Scheme. Nordic Council of Ministers, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.