(1997). Portfolios for teachers in training [videorecording]. Alexandria, VA : Association for Supervision and Curriculum Development.
Čikaški stil citiranja (17. izdanje)Portfolios for Teachers in Training [videorecording]. Alexandria, VA : Association for Supervision and Curriculum Development, 1997.
MLA način citiranja (9. izdanje)Portfolios for Teachers in Training [videorecording]. Alexandria, VA : Association for Supervision and Curriculum Development, 1997.
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