Cita APA (7a ed.)
(2008). Jubilee international scientific conference VSU´2008: Proceedings Vol.2.Sofia,Bulgaria,29.-30.5.2008. L.Karavelov Civil engineering higher school Sofia.
Cita Chicago Style (17a ed.)
Jubilee International Scientific Conference VSU´2008: Proceedings Vol.2.Sofia,Bulgaria,29.-30.5.2008. Sofia: L.Karavelov Civil engineering higher school Sofia, 2008.
Cita MLA (9a ed.)
Jubilee International Scientific Conference VSU´2008: Proceedings Vol.2.Sofia,Bulgaria,29.-30.5.2008. L.Karavelov Civil engineering higher school Sofia, 2008.
Precaución: Estas citas no son 100% exactas.