Zdroj: Investigations into the Method of the Social Sciences, 1883, p. 146
Carl Menger: Citáty v angličtine
Zdroj: Investigations into the Method of the Social Sciences, 1883, p. 147
Attributed to Carl Menger in: Ludwig Von Mises, " Comments about the mathematical treatment of economic problems https://mises.org/journals/jls/1_2/1_2_2.pdf." Journal of Libertarian Studies, Spring 1977, 1(2), p. 100
Zdroj: Principles,, p. 164-5; cited in: Randall G. Holcombe, Great Austrian Economists, p. 90
Zdroj: Investigations into the Method of the Social Sciences, 1883, p. 58
Zdroj: Principles,, p. 67; cited in: Randall G. Holcombe, Great Austrian Economists, p. 90