Helge, D. (1990). A national study regarding at-risk students. National Rural Development Inst., Woodring College of Education, Western Washington Univ.
Chicago-Zitierstil (17. Ausg.)Helge, Doris. A National Study Regarding At-risk Students. Bellingham, Wash: National Rural Development Inst., Woodring College of Education, Western Washington Univ, 1990.
MLA-Zitierstil (8. Ausg.)Helge, Doris. A National Study Regarding At-risk Students. National Rural Development Inst., Woodring College of Education, Western Washington Univ, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.