Cita APA (7a ed.)

Não informado. (2003). Concrete building and concret products. Cement and Concrete Association.

Cita Chicago Style (17a ed.)

Não informado. Concrete Building and Concret Products. London: Cement and Concrete Association, 2003.

Cita MLA (8a ed.)

Não informado. Concrete Building and Concret Products. Cement and Concrete Association, 2003.

Precaución: Estas citas no son 100% exactas.