International Symposium on the Future of Liner Shipping Bremen. (1976). The future of liner shipping: Report on the international symposium held at Bremen, September, 23rd-25th 1975. Institute of Shipping Economics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Symposium on the Future of Liner Shipping Bremen. The Future of Liner Shipping: Report on the International Symposium Held at Bremen, September, 23rd-25th 1975. Bremen: Institute of Shipping Economics, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInternational Symposium on the Future of Liner Shipping Bremen. The Future of Liner Shipping: Report on the International Symposium Held at Bremen, September, 23rd-25th 1975. Institute of Shipping Economics, 1976.
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