(1975). Index to educational records. National Information Center for Educational Media, University of Southern California.
Chicago-Zitierstil (17. Ausg.)Index to Educational Records. Los Angeles: National Information Center for Educational Media, University of Southern California, 1975.
MLA-Zitierstil (9. Ausg.)Index to Educational Records. National Information Center for Educational Media, University of Southern California, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.