APA

Tvetaras, R., Aarset, B., Beckmann, S., Bigne, J., Beveridge, M., Bjorndal, T., McDonagh, P., Mariojouls, C., Muir, J., Prothero, A., Reithe, S., Smith, A., Tveteras, S., & Young, J. (2001). Demand for Organic Salmon in the European Union. : International Institute of Fisheries Economics and Trade.