Freeman, F. (1964). London traffic survey: Existing traffic and travel characteristics in greater London. London: London County Council.
Παραπομπή Chicago StyleFreeman, Fox. London Traffic Survey: Existing Traffic and Travel Characteristics in Greater London. London: London County Council, 1964.
Παραπομπή MLAFreeman, Fox. London Traffic Survey: Existing Traffic and Travel Characteristics in Greater London. London: London County Council, 1964.
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