Akesson, B. (2008). Understanding bridge collapses. Taylor And Francis.
Chicago Style aipamenaAkesson, Bjorn. Understanding Bridge Collapses. London: Taylor And Francis, 2008.
MLA aipamenaAkesson, Bjorn. Understanding Bridge Collapses. Taylor And Francis, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.