International Tunnelling Association. (1981). Advances in Tunnelling Technology and Subsurface Use. Pergamon Press.
Čikaški stil citiranja (17. izdanje)International Tunnelling Association. Advances in Tunnelling Technology and Subsurface Use. Oxford, Inglaterra: Pergamon Press, 1981.
MLA način citiranja (8. izdanje)International Tunnelling Association. Advances in Tunnelling Technology and Subsurface Use. Pergamon Press, 1981.
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