Rubel, R. J. (1978). HEW's Safe School Study: What it says and what it means for teachers and administrators. IRC monograph series.
Chicago-Zitierstil (17. Ausg.)Rubel, Robert J. "HEW's Safe School Study: What It Says and What It Means for Teachers and Administrators." IRC Monograph Series 1978.
MLA-Zitierstil (8. Ausg.)Rubel, Robert J. "HEW's Safe School Study: What It Says and What It Means for Teachers and Administrators." IRC Monograph Series, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.