National Concrete Masonry Association. (1970). Specification for the design and construction of load-bearing concrete masonry. National Concrete Masonry Association.
Chicago Style (17th ed.) CitationNational Concrete Masonry Association. Specification for the Design and Construction of Load-bearing Concrete Masonry. Arlington, Va.: National Concrete Masonry Association, 1970.
MLA (9th ed.) CitationNational Concrete Masonry Association. Specification for the Design and Construction of Load-bearing Concrete Masonry. National Concrete Masonry Association, 1970.
Warning: These citations may not always be 100% accurate.