Maddison, D., Pearce, D., & Johansson, O. (1996). The True Costs of Road Transport. Earthscan Publications Ltd.
Citazione stile Chigago Style (17a edizione)Maddison, David, David Pearce, e Olof Johansson. The True Costs of Road Transport. London: Earthscan Publications Ltd, 1996.
Citatione MLA (9a ed.)Maddison, David, et al. The True Costs of Road Transport. Earthscan Publications Ltd, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.