APA استشهاد

Stephan, P. E., & Audretsch, D. B. (2000). The economics of science and innovation. E. Elgar Pub..

استشهاد بنمط شيكاغو

Stephan, Paula E., و David B. Audretsch. The Economics of Science and Innovation. Cheltenham, UK ; Northampton, MA: E. Elgar Pub., 2000.

MLA استشهاد

Stephan, Paula E., و David B. Audretsch. The Economics of Science and Innovation. E. Elgar Pub., 2000.