Ballard, V. G. A. (1921). The influence of the sea on the political history of Japan. London: J. Murray.
शिकागो स्टाइल उद्धरणBallard, Vice-Admiral G. A. The Influence of the Sea On the Political History of Japan. London: J. Murray, 1921.
एमएलए उद्धरणBallard, Vice-Admiral G. A. The Influence of the Sea On the Political History of Japan. London: J. Murray, 1921.
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