Gaya APA

311, A, C. (2013). ACI 311.5-04 Guide For Concrete Plant Inspection and Testing of Ready-Mixed Concrete . America: American Concrete Institute.

Gaya MLA

311, ACI, Commite. "ACI 311.5-04 Guide For Concrete Plant Inspection and Testing of Ready-Mixed Concrete". America: American Concrete Institute, 2013. Text.