watkin, e. e. (1964). some pricing problems of national industry in the united kingdom. the institute of national planning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रwatkin, e e. Some Pricing Problems of National Industry in the United Kingdom. cairo: the institute of national planning, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रwatkin, e e. Some Pricing Problems of National Industry in the United Kingdom. the institute of national planning, 1964.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.