Day, R. W. (2006). Foundation Engineering Handbook Design and Construction with the 2006 International Building Code Robert W. Day. McGraw-Hill.
Chicago-referens (17:e uppl.)Day, Robert W. Foundation Engineering Handbook Design and Construction with the 2006 International Building Code Robert W. Day. McGraw-Hill, 2006.
MLA-referens (8:e uppl.)Day, Robert W. Foundation Engineering Handbook Design and Construction with the 2006 International Building Code Robert W. Day. McGraw-Hill, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.