APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.