(1971). Mobility of Phd's before and after the doctorate: With associated economic and educational characteristics of states. National Acad. of Sciences.
Chicago-Zitierstil (17. Ausg.)Mobility of Phd's Before and After the Doctorate: With Associated Economic and Educational Characteristics of States. Washington, DC: National Acad. of Sciences, 1971.
MLA-Zitierstil (9. Ausg.)Mobility of Phd's Before and After the Doctorate: With Associated Economic and Educational Characteristics of States. National Acad. of Sciences, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.