APA-referens

Heimann, E. (1964). History of economic doctrines: An introduction to economic theory. Oxford University.

Chicago-stil citat

Heimann, Edward. History of Economic Doctrines: An Introduction to Economic Theory. London: Oxford University, 1964.

MLA-referens

Heimann, Edward. History of Economic Doctrines: An Introduction to Economic Theory. Oxford University, 1964.