American Concrete Institute. (1971). Cement and Concrete Research. Pergamon Press.
Citação do estilo Chicago (17ª ed.)American Concrete Institute. Cement and Concrete Research. Elmsford, NY: Pergamon Press, 1971.
Citação MLA (8ª ed.)American Concrete Institute. Cement and Concrete Research. Pergamon Press, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.