Heimann, E. (1945). History of economic doctrines - An introduction to economic theory. oxford university press.
Lua i Stíl Chicago (17ú heag.)Heimann, Eduard. History of Economic Doctrines - An Introduction to Economic Theory. London: oxford university press, 1945.
Lua MLA (9ú heag.)Heimann, Eduard. History of Economic Doctrines - An Introduction to Economic Theory. oxford university press, 1945.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.