Cohen, L. (1976). Educational research in classrooms and schools: A manual of materials and methods (1. publ.). Harper & Row.
Chicago-Zitierstil (17. Ausg.)Cohen, Louis. Educational Research in Classrooms and Schools: A Manual of Materials and Methods. 1. publ. London [u.a.]: Harper & Row, 1976.
MLA-Zitierstil (9. Ausg.)Cohen, Louis. Educational Research in Classrooms and Schools: A Manual of Materials and Methods. 1. publ. Harper & Row, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.