Robbins, L. C., & Torrens, R. (1958). Robert Torrens and the evolution of classical economics. Macmillan.
Lua i Stíl Chicago (17ú heag.)Robbins, Lionel Charles, agus Robert Torrens. Robert Torrens and the Evolution of Classical Economics. London: Macmillan, 1958.
Lua MLA (9ú heag.)Robbins, Lionel Charles, agus Robert Torrens. Robert Torrens and the Evolution of Classical Economics. Macmillan, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.