APA-viite (7. p.)
ebrary, Inc, & Levin, B. B. (2001). Energizing teacher education and professional development with problem-based learning. Association for Supervision and Curriculum Development.
Chicago-viite (17. p.)
ebrary, Inc, ja Barbara B. Levin. Energizing Teacher Education and Professional Development with Problem-based Learning. Alexandria, Va.: Association for Supervision and Curriculum Development, 2001.
MLA-viite (9. p.)
ebrary, Inc, ja Barbara B. Levin. Energizing Teacher Education and Professional Development with Problem-based Learning. Association for Supervision and Curriculum Development, 2001.
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