Blake, P. (1984). Investing in Research and Development.
शिकागो स्टाइल उद्धरणBlake, Peter. Investing in Research and Development. 1984.
एमएलए उद्धरणBlake, Peter. Investing in Research and Development. 1984.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.