Hartford, R. (2000). ACI manual of concrete practice. Farmington Hills, MI.: American Concrete Institute.
Παραπομπή Chicago StyleHartford, Rebecca. ACI Manual of Concrete Practice. Farmington Hills, MI.: American Concrete Institute, 2000.
Παραπομπή MLAHartford, Rebecca. ACI Manual of Concrete Practice. Farmington Hills, MI.: American Concrete Institute, 2000.
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