Adams, J. D. (2000). Endogeneous R%D spillovers and industrial research productivity. National Bureau of Economic Research.
芝加哥风格引文Adams, James D. Endogeneous R%D Spillovers and Industrial Research Productivity. Cambridge: National Bureau of Economic Research, 2000.
MLA引文Adams, James D. Endogeneous R%D Spillovers and Industrial Research Productivity. National Bureau of Economic Research, 2000.
警告：这些引文格式不一定是100％准确.