Smith, Adam (1776). An Inquiry into the Nature and Causes of the Wealth of Nations and Book IV, as quoted in Groenwegen, Peter (2008). “Political Economy”. In Durlauf, Steven N.; Blume, Lawrence E. (eds.). The New Palgrave Dictionary of Economics (second ed.). pp. 476–480. doi:10.1057/9780230226203.1300. ISBN978-0-333-78676-5. 2017年10月5日時点のオリジナルよりアーカイブ. 2017年10月4日閲覧.
Smith, Adam (1776). An Inquiry into the Nature and Causes of the Wealth of Nations and Book IV, as quoted in Groenwegen, Peter (2008). “Political Economy”. In Durlauf, Steven N.; Blume, Lawrence E. (eds.). The New Palgrave Dictionary of Economics (second ed.). pp. 476–480. doi:10.1057/9780230226203.1300. ISBN978-0-333-78676-5. 2017年10月5日時点のオリジナルよりアーカイブ. 2017年10月4日閲覧.
Backhouse, Roger E.; Medema, Steven G. (October 2009). “Defining Economics: The Long Road to Acceptance of the Robbins Definition”. Economica76 (s1): 805–820. doi:10.1111/j.1468-0335.2009.00789.x.
econlib.org
Principles of Economics(1890, 1920,8th edition), INTRODUCTION.BOOK I, CHAPTER I,PRELIMINARY SURVEY.BOOK I, § 1.(『経済学原理』第1編序論第1章1)
John Stuart Mill, On the Definition of Political Economy; and on the Method of Investigation Proper to it, in Essays on Some Unsettled Questions of Political Economy, Essay V, M.DCCC.XLIV(1844), John W.Parker,West Strand, p.140.;The science which traces the laws of such of the phenomena of society as arise from the combined operations of mankind for the production of wealth, in so far as those phenomena are not modified by the pursuit of any other object.
Smith, Adam (1776). An Inquiry into the Nature and Causes of the Wealth of Nations and Book IV, as quoted in Groenwegen, Peter (2008). “Political Economy”. In Durlauf, Steven N.; Blume, Lawrence E. (eds.). The New Palgrave Dictionary of Economics (second ed.). pp. 476–480. doi:10.1057/9780230226203.1300. ISBN978-0-333-78676-5. 2017年10月5日時点のオリジナルよりアーカイブ. 2017年10月4日閲覧.