APA (7e ed.) Bronvermelding

British Tunnelling Society & Institution of Civil Engineers (Great Britain). (2010). Specification for tunnelling (3rd ed.). Thomas Telford.

Chicago (17e ed.) Bronvermelding

British Tunnelling Society en Institution of Civil Engineers (Great Britain). Specification for Tunnelling. 3rd ed. London: Thomas Telford, 2010.

MLA (9e ed.) Bronvermelding

British Tunnelling Society en Institution of Civil Engineers (Great Britain). Specification for Tunnelling. 3rd ed. Thomas Telford, 2010.