Norris, K., & Vaizey, J. E. (1973). The economics of research and technology. Allen and Unwin.
Citazione stile Chigago Style (17a edizione)Norris, Keith, e John Ernest Vaizey. The Economics of Research and Technology. London: Allen and Unwin, 1973.
Citatione MLA (9a ed.)Norris, Keith, e John Ernest Vaizey. The Economics of Research and Technology. Allen and Unwin, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.