http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Peter F. Drucker ; with a new introduction by the author.
"Originally published in 1978 by Harper & Row, Publishers"--Title page verso.
Electronic reproduction. Boulder, Colo. : NetLibrary, 2001. Available via World Wide Web. Access may be limited to NetLibrary affiliated libraries.