American Concrete Institute. Committee 311 & American Concrete Institute. Committee 611. (1967). ACI manual of concrete inspection. American Concrete Institute.
Cita Chicago Style (17a ed.)American Concrete Institute. Committee 311 y American Concrete Institute. Committee 611. ACI Manual of Concrete Inspection. Detroit, Michigan: American Concrete Institute, 1967.
Cita MLA (9a ed.)American Concrete Institute. Committee 311 y American Concrete Institute. Committee 611. ACI Manual of Concrete Inspection. American Concrete Institute, 1967.
Precaución: Estas citas no son 100% exactas.