Maddison, D., Pearce, D., & Johansson, O. (1996). The True Costs of Road Transport. Earthscan Publications Ltd.
Tohutoru Kātū Chicago (17th ed.)Maddison, David, David Pearce, me Olof Johansson. The True Costs of Road Transport. London: Earthscan Publications Ltd, 1996.
Tohutoro MLA (9th ed.)Maddison, David, et al. The True Costs of Road Transport. Earthscan Publications Ltd, 1996.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.