Bulkeley, G. V. O., & Grigg, H. E. S. E. (1932). Railroad and seaport freight, with examples of British and American practice. Technical Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBulkeley, George Vicary Owen, और His Excellency Sir Edward Grigg. Railroad and Seaport Freight, with Examples of British and American Practice. London: Technical Press, 1932.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBulkeley, George Vicary Owen, और His Excellency Sir Edward Grigg. Railroad and Seaport Freight, with Examples of British and American Practice. Technical Press, 1932.
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