American Society For Testing Materials. (1974). Standard Specification For Concrete Aggregates Astm C33-74a.
Chicago Style (17th ed.) CitationAmerican Society For Testing Materials. Standard Specification For Concrete Aggregates Astm C33-74a. 1974.
MLA (9th ed.) CitationAmerican Society For Testing Materials. Standard Specification For Concrete Aggregates Astm C33-74a. 1974.
Warning: These citations may not always be 100% accurate.