Harvey, J. (1983). Modern Economics: An introduction for business and professional students (4th. ed.). the macmillan press ltd.
Lua i Stíl Chicago (17ú heag.)Harvey, J. Modern Economics: An Introduction for Business and Professional Students. 4th. ed. london: the macmillan press ltd, 1983.
Lua MLA (9ú heag.)Harvey, J. Modern Economics: An Introduction for Business and Professional Students. 4th. ed. the macmillan press ltd, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.