Não informado. (2003). Concrete building and concret products. Cement and Concrete Association.
Čikaški stil citiranja (17. izdanje)Não informado. Concrete Building and Concret Products. London: Cement and Concrete Association, 2003.
MLA način citiranja (8. izdanje)Não informado. Concrete Building and Concret Products. Cement and Concrete Association, 2003.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.