Ogus, J. L., & Clark, D. F. (1971). The annual survey of manufactures: A report on methodology. U. S. Department of Commerce.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOgus, Jack L., और Donald F. Clark. The Annual Survey of Manufactures: A Report on Methodology. Washington: U. S. Department of Commerce, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOgus, Jack L., और Donald F. Clark. The Annual Survey of Manufactures: A Report on Methodology. U. S. Department of Commerce, 1971.
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