SOMMERS, A. T. (1985). Then U. S. Economy Demystified What The Major Economic Statistics Mean And Their Significance For Business Albert T. Sommers. D.C. Heath.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSOMMERS, Albert T. Then U. S. Economy Demystified What The Major Economic Statistics Mean And Their Significance For Business Albert T. Sommers. D.C. Heath, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSOMMERS, Albert T. Then U. S. Economy Demystified What The Major Economic Statistics Mean And Their Significance For Business Albert T. Sommers. D.C. Heath, 1985.
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