APA ציטוט

Mansfield, E. (1968). Industrial research and technological innovation: An econometric analysis ([1st ed.].). Norton.

Chicago Style (17th ed.) Citation

Mansfield, Edwin. Industrial Research and Technological Innovation: An Econometric Analysis. [1st ed.]. New York: Norton, 1968.

ציטוט MLA

Mansfield, Edwin. Industrial Research and Technological Innovation: An Econometric Analysis. [1st ed.]. Norton, 1968.