Weinstein, B. L., & Firestine, R. E. (1978). Regional growth and decline in the United States: The rise of the Sunbelt and the decline of the Northeast. Praeger.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Weinstein, Bernard L., و Robert E. Firestine. Regional Growth and Decline in the United States: The Rise of the Sunbelt and the Decline of the Northeast. New York: Praeger, 1978.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Weinstein, Bernard L., و Robert E. Firestine. Regional Growth and Decline in the United States: The Rise of the Sunbelt and the Decline of the Northeast. Praeger, 1978.
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