WOODWARD, D., & CHAN, S. L. F. (1993). Risk analysis of privately financed tunnelling projects. Options for Tunnelling 1993, 74, 855-873.
ISO-690 (author-date, English)WOODWARD, D und CHAN, S. L. F, 1993. Risk analysis of privately financed tunnelling projects. Options for tunnelling 1993. 1 Januar 1993. Vol. 74, , p. 855-873.
Modern Language Association 9th editionWOODWARD, D., und S. L. F. CHAN. „Risk Analysis of Privately Financed Tunnelling Projects“. Options for Tunnelling 1993, Bd. 74, Januar 1993, S. 855-73.
Mohr Siebeck - Recht (Deutsch - Österreich)WOODWARD, D/CHAN, S. L. F: Risk analysis of privately financed tunnelling projects, Options for tunnelling 1993 1993, 855-873.
Emerald - HarvardWOODWARD, D. und CHAN, S.L.F. (1993), „Risk analysis of privately financed tunnelling projects“, Options for Tunnelling 1993, Vol. 74, S. 855-873.