Andersson, A. E., & Beckmann, M. J. (2009). Economics of knowledge: Theory, models and measurements. Edward Elgar.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAndersson, Ake E., এবং Martin J. Beckmann. Economics of Knowledge: Theory, Models and Measurements. Cheltenham, UK: Edward Elgar, 2009.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAndersson, Ake E., এবং Martin J. Beckmann. Economics of Knowledge: Theory, Models and Measurements. Edward Elgar, 2009.