Kirby, M. (1981). The decline of British Economic power since 1870. London: George Allen & Unwin.
शिकागो स्टाइल उद्धरणKirby, M.V. The Decline of British Economic Power Since 1870. London: George Allen & Unwin, 1981.
एमएलए उद्धरणKirby, M.V. The Decline of British Economic Power Since 1870. London: George Allen & Unwin, 1981.
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