APA (7e ed.) Bronvermelding

(1957). Three eassays on the state of economic science. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Three Eassays on the State of Economic Science. New York: McGraw-Hill, 1957.

MLA (9e ed.) Bronvermelding

Three Eassays on the State of Economic Science. McGraw-Hill, 1957.