British Tunnelling Society & Institution of Civil Engineers (Great Britain). (2010). Specification for tunnelling (3rd ed.). Thomas Telford.
Chicago (17e ed.) BronvermeldingBritish Tunnelling Society en Institution of Civil Engineers (Great Britain). Specification for Tunnelling. 3rd ed. London: Thomas Telford, 2010.
MLA (9e ed.) BronvermeldingBritish Tunnelling Society en Institution of Civil Engineers (Great Britain). Specification for Tunnelling. 3rd ed. Thomas Telford, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.