(2010). ACI Structural Journal 2010, 2012. American Concrete Institute.
Chicago Style aipamenaACI Structural Journal 2010, 2012. American Concrete Institute, 2010.
MLA aipamenaACI Structural Journal 2010, 2012. American Concrete Institute, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.