(1971). Professional obsolescence: A symposium held at Cambridge, England, in June, 1970. Sponsored by the NATO Scientific Affairs Division. English Univ. Press.
Chicago-Zitierstil (17. Ausg.)Professional Obsolescence: A Symposium Held at Cambridge, England, in June, 1970. Sponsored by the NATO Scientific Affairs Division. London: English Univ. Press, 1971.
MLA-Zitierstil (9. Ausg.)Professional Obsolescence: A Symposium Held at Cambridge, England, in June, 1970. Sponsored by the NATO Scientific Affairs Division. English Univ. Press, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.