Cita APA (7th ed.)

Adams, J. D. (2000). Endogeneous R%D spillovers and industrial research productivity. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Adams, James D. Endogeneous R%D Spillovers and Industrial Research Productivity. Cambridge: National Bureau of Economic Research, 2000.

Cita MLA (9th ed.)

Adams, James D. Endogeneous R%D Spillovers and Industrial Research Productivity. National Bureau of Economic Research, 2000.