Great Britain. Central Office of Information. Reference Division. (1973). Britain's invisible exports ([2d ed.].). H.M. Stationery Off..
Citace podle Chicago (17th ed.)Great Britain. Central Office of Information. Reference Division. Britain's Invisible Exports. [2d ed.]. London: H.M. Stationery Off., 1973.
Citace podle MLA (8th ed.)Great Britain. Central Office of Information. Reference Division. Britain's Invisible Exports. [2d ed.]. H.M. Stationery Off., 1973.
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