APA
Transportation Research Record nr 617, . (1976). Social and economic factors in transportation planning. Washington DC: Transportation Research Record nr 617.
Chicago
Transportation Research Record nr 617, . 1976. Social and economic factors in transportation planning. Washington DC: Transportation Research Record nr 617.
Harvard
Transportation Research Record nr 617, . (1976). Social and economic factors in transportation planning. Washington DC: Transportation Research Record nr 617.
MLA
Transportation Research Record nr 617, . Social and economic factors in transportation planning. Washington DC: Transportation Research Record nr 617. 1976.