(ACI), A. C. I. (1991). Standard practice for selecting proportions for normal, heavyweight, and mass concrete (ACI 211-1-91). Prentice-Hall Internasional.
Chicago Style (17th ed.) Citation(ACI), AMERICAN CONCRETE INSTITUTE. Standard Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete (ACI 211-1-91). Prentice-Hall Internasional, 1991.
MLA (8th ed.) Citation(ACI), AMERICAN CONCRETE INSTITUTE. Standard Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete (ACI 211-1-91). Prentice-Hall Internasional, 1991.
Warning: These citations may not always be 100% accurate.