Smith, A., Campbell, R. H., & Skinner, A. S. (1981). An inquiry into the nature and causes of the wealth of nations. Liberty Classics.

Smith, Adam, R. H. Campbell, and Andrew S. Skinner. An Inquiry into the Nature and Causes of the Wealth of Nations. Indianapolis: Liberty Classics, 1981.

Smith, Adam, et al. An Inquiry into the Nature and Causes of the Wealth of Nations. Liberty Classics, 1981.