Underwood, T. (1999). The portfolio project: A study in assessment, instruction, and middle school reform. National Council of Teachers of English.
Chicago-Zitierstil (17. Ausg.)Underwood, Terry. The Portfolio Project: A Study in Assessment, Instruction, and Middle School Reform. Urbana, Ill: National Council of Teachers of English, 1999.
MLA-Zitierstil (9. Ausg.)Underwood, Terry. The Portfolio Project: A Study in Assessment, Instruction, and Middle School Reform. National Council of Teachers of English, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.