Roberts, J. C. (1984). The relationship of higher education to Oklahoma highway patrol troopers' performance (Authorized facs. printed by microfilm/xerogr.). Univ. Microfilm Internat.
Chicago-Zitierstil (17. Ausg.)Roberts, James C. The Relationship of Higher Education to Oklahoma Highway Patrol Troopers' Performance. Authorized facs. printed by microfilm/xerogr. Ann Arbor, Mich: Univ. Microfilm Internat, 1984.
MLA-Zitierstil (9. Ausg.)Roberts, James C. The Relationship of Higher Education to Oklahoma Highway Patrol Troopers' Performance. Authorized facs. printed by microfilm/xerogr. Univ. Microfilm Internat, 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.