APA (7e ed.) Bronvermelding

freeman, C. (1982). The economics of industrial innovation (2th. ed.). Christopher freeman.

Chicago (17e ed.) Bronvermelding

freeman, Christopher. The Economics of Industrial Innovation. 2th. ed. london: Christopher freeman, 1982.

MLA (9e ed.) Bronvermelding

freeman, Christopher. The Economics of Industrial Innovation. 2th. ed. Christopher freeman, 1982.

Let op: Deze citaties zijn niet altijd 100% accuraat.