Janner, G. E. (1971). The businessman's guide to travel and to profits abroad. Business Books.
Citace podle Chicago (17th ed.)Janner, Greville Ewan. The Businessman's Guide to Travel and to Profits Abroad. London: Business Books, 1971.
Citace podle MLA (9th ed.)Janner, Greville Ewan. The Businessman's Guide to Travel and to Profits Abroad. Business Books, 1971.
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