Downes, J. D. (1980). Life-cycle changes in household structure and travel characteristics. Transport and Road Research Laboratory.
Chicago Style (17. basım) AtıfDownes, J. D. Life-cycle Changes in Household Structure and Travel Characteristics. Crowthorne, Berk: Transport and Road Research Laboratory, 1980.
MLA (9th ed.) AtıfDownes, J. D. Life-cycle Changes in Household Structure and Travel Characteristics. Transport and Road Research Laboratory, 1980.
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