International Society for Rock Mechanics. Regional Symposium & Vrkljan, I. (2010). Rock engineering in difficult ground conditions - soft rocks and karst: Eurock 2009 : proceedings of the Regional Symposium of the International Society for Rock Mechanics, EUROCK 2009, Dubrovnik, Cavtat, Croatia, 29-31 October 2009. CRC Press/Balkema.
Citace podle Chicago (17th ed.)International Society for Rock Mechanics. Regional Symposium a Ivan Vrkljan. Rock Engineering in Difficult Ground Conditions - Soft Rocks and Karst: Eurock 2009 : Proceedings of the Regional Symposium of the International Society for Rock Mechanics, EUROCK 2009, Dubrovnik, Cavtat, Croatia, 29-31 October 2009. Leiden, The Netherlands: CRC Press/Balkema, 2010.
Citace podle MLA (9th ed.)International Society for Rock Mechanics. Regional Symposium a Ivan Vrkljan. Rock Engineering in Difficult Ground Conditions - Soft Rocks and Karst: Eurock 2009 : Proceedings of the Regional Symposium of the International Society for Rock Mechanics, EUROCK 2009, Dubrovnik, Cavtat, Croatia, 29-31 October 2009. CRC Press/Balkema, 2010.