editor, Roger L. Brockenbrough, Frederick S. Maerritt
McGraw-Hill, 1994
Buku Referensi
Roberts, John
Spon Press, 2001
Buku Referensi
edited by Roger L. Brockenbrough, Frederick S. Merrit
McGraw-Hill, 2011
Buku Teks
editor, Arthur B. Williams
McGraw-Hill, 1984
Buku Referensi
Abeles, P. W.
Cement and Concrete Association, 1976
Buku Referensi