Walker, J. (2018). Road pricing: Technologies, economics and acceptability. The Institution of Engineering and Technology. https://doi.org/10.1049/PBTR008E
Citação do estilo Chicago (17ª ed.)Walker, John. Road Pricing: Technologies, Economics and Acceptability. London, United Kingdom: The Institution of Engineering and Technology, 2018. https://doi.org/10.1049/PBTR008E.
Citação MLA (9ª ed.)Walker, John. Road Pricing: Technologies, Economics and Acceptability. The Institution of Engineering and Technology, 2018. https://doi.org/10.1049/PBTR008E.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.