Andersson, A. E., & Beckmann, M. J. (2009). Economics of knowledge: Theory, models and measurements. Edward Elgar.
Παραπομπή σε μορφή Chicago (17η εκδ.)Andersson, Ake E., και Martin J. Beckmann. Economics of Knowledge: Theory, Models and Measurements. Cheltenham, UK: Edward Elgar, 2009.
Παραπομπή σε μορφή MLA (9th εκδ.)Andersson, Ake E., και Martin J. Beckmann. Economics of Knowledge: Theory, Models and Measurements. Edward Elgar, 2009.