1. Anson, C. M., & Brown, R. L. (1991). Large scale portfolio assessment: Ideological sensitivity and institutional change. In P. Belanoff & M. Dickson (Eds), Portfolios: Process and Product (pp. 248–269). Portsmouth, NH: Boynton/Cook
2. Anthony, R., Johnson, T., Mickelson, N., & Preece, A. (1991). Evaluating Literacy: A Perspective for Change. Portsmouth, NH: Heinemann.
3. Alter, J. A., & Spandel, V. (1992). Using portfolios of student work in instruction and assessment. Educational Measurement: Issues and practice. 11(1), 36–44.
4. ERIC Document Reproduction Service;J. Alter,1995
5. CSE Tech Rep;P. R. Aschbacher,1993