Howard, L. F. (2010). Five easy steps to a balanced science program: For upper elementary and middle school grades ; grades 3 - 8. Lead + Learn Press.
Chicago-Zitierstil (17. Ausg.)Howard, Lynn F. Five Easy Steps to a Balanced Science Program: For Upper Elementary and Middle School Grades ; Grades 3 - 8. Englewood, Colo: Lead + Learn Press, 2010.
MLA-Zitierstil (9. Ausg.)Howard, Lynn F. Five Easy Steps to a Balanced Science Program: For Upper Elementary and Middle School Grades ; Grades 3 - 8. Lead + Learn Press, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.