International Tunnelling Association. (1986). Tunnelling and Underground Space Technology. Pergamon Press.
Chicago (17e ed.) BronvermeldingInternational Tunnelling Association. Tunnelling and Underground Space Technology. Oxford, Inglaterra: Pergamon Press, 1986.
MLA (8e ed.) BronvermeldingInternational Tunnelling Association. Tunnelling and Underground Space Technology. Pergamon Press, 1986.
Let op: Deze citaties zijn niet altijd 100% accuraat.