APA (7 वां संस्करण) प्रशस्ति पत्र
National Bureau of Economic Research, ebrary, Inc, & Griliches, Z. (1984). R & D, patents, and productivity. University of Chicago Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
National Bureau of Economic Research, Inc ebrary, और Zvi Griliches. R & D, Patents, and Productivity. Chicago: University of Chicago Press, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
National Bureau of Economic Research, et al. R & D, Patents, and Productivity. University of Chicago Press, 1984.
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