Cita APA (7a ed.)

Danielson, C., & Abrutyn, L. (1997). An introduction to using portfolios in the classroom. Association for Supervision and Curriculum Development.

Cita Chicago Style (17a ed.)

Danielson, Charlotte, y Leslye Abrutyn. An Introduction to Using Portfolios in the Classroom. Alexandria, Va., USA: Association for Supervision and Curriculum Development, 1997.

Cita MLA (9a ed.)

Danielson, Charlotte, y Leslye Abrutyn. An Introduction to Using Portfolios in the Classroom. Association for Supervision and Curriculum Development, 1997.