Chan, L. K. C., Lakonishok, J., & Sougiannis, T. (1999). The stock market valuation of research and development expenditures. National Bureau of Economic Research.
芝加哥风格引文Chan, Louis K. C., Jose Lakonishok, 与 Theodore Sougiannis. The Stock Market Valuation of Research and Development Expenditures. Cambridge: National Bureau of Economic Research, 1999.
MLA引文Chan, Louis K. C., et al. The Stock Market Valuation of Research and Development Expenditures. National Bureau of Economic Research, 1999.
警告：这些引文格式不一定是100％准确.