Cita APA (7a ed.)

Helmstädter, E. (2003). The economics of knowledge sharing: A new institutional approach. Edward Elgar.

Cita Chicago Style (17a ed.)

Helmstädter, Ernst. The Economics of Knowledge Sharing: A New Institutional Approach. Heltentham, UK : Northampton, MA: Edward Elgar, 2003.

Cita MLA (9a ed.)

Helmstädter, Ernst. The Economics of Knowledge Sharing: A New Institutional Approach. Edward Elgar, 2003.

Precaución: Estas citas no son 100% exactas.