International Tunnelling Association. (1981). Advances in Tunnelling Technology and Subsurface Use. Pergamon Press.
Chicago (17e ed.) BronvermeldingInternational Tunnelling Association. Advances in Tunnelling Technology and Subsurface Use. Oxford, Inglaterra: Pergamon Press, 1981.
MLA (8e ed.) BronvermeldingInternational Tunnelling Association. Advances in Tunnelling Technology and Subsurface Use. Pergamon Press, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.