International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground & Viggiani, G. e. (201). Geotechnical aspects of underground construction in soft ground [electronic resource]: Proceedings of the 7th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, Roma, Italy, 17-19 May, 2011. Leiden, Netherlands : CRC Press/Balkema.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումInternational Symposium on Geotechnical Aspects of Underground Construction in Soft Ground and Giulia editor Viggiani. Geotechnical Aspects of Underground Construction in Soft Ground [electronic Resource]: Proceedings of the 7th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, Roma, Italy, 17-19 May, 2011. Leiden, Netherlands : CRC Press/Balkema, 201.
MLA (9րդ խմբ.) ՄեջբերումInternational Symposium on Geotechnical Aspects of Underground Construction in Soft Ground and Giulia editor Viggiani. Geotechnical Aspects of Underground Construction in Soft Ground [electronic Resource]: Proceedings of the 7th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, Roma, Italy, 17-19 May, 2011. Leiden, Netherlands : CRC Press/Balkema, 201.