APA (7. basım) Alıntı

Porter, M. E., & Stern, S. (2000). Measuring the "ideas" production function: Evidence from international patent output. National Bureau of Economic Research.

Chicago Style (17. basım) Atıf

Porter, Michael E., ve Scott Stern. Measuring the "Ideas" Production Function: Evidence from International Patent Output. Cambridge: National Bureau of Economic Research, 2000.

MLA (9th ed.) Atıf

Porter, Michael E., ve Scott Stern. Measuring the "Ideas" Production Function: Evidence from International Patent Output. National Bureau of Economic Research, 2000.