Não informado. (1971). Concrete abstracts. American Concrete Institute.
Style de citation Chicago (17e éd.)Não informado. Concrete Abstracts. Detroit, Mich: American Concrete Institute, 1971.
Style de citation MLA (8e éd.)Não informado. Concrete Abstracts. American Concrete Institute, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.