Levy, S. M. (1999). Construction databook (First edition.). McGraw-Hill.
Chicago Style aipamenaLevy, Sidney M. Construction Databook. First edition. New York: McGraw-Hill, 1999.
MLA aipamenaLevy, Sidney M. Construction Databook. First edition. McGraw-Hill, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.