Institution of Civil Engineers (Great Britain) & British Tunnelling Society. (1997). Model specification for tunnelling. T. Telford ; American Society of Civil Engineers, Publications Sales Dept. [distributor].
Citação do estilo Chicago (17ª ed.)Institution of Civil Engineers (Great Britain) e British Tunnelling Society. Model Specification for Tunnelling. London : New York: T. Telford ; American Society of Civil Engineers, Publications Sales Dept. [distributor], 1997.
Citação MLA (8ª ed.)Institution of Civil Engineers (Great Britain) e British Tunnelling Society. Model Specification for Tunnelling. T. Telford ; American Society of Civil Engineers, Publications Sales Dept. [distributor], 1997.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.