Levine, S. L. (1989). Promoting adult growth in schools: The promise of professional development. Allyn and Bacon.
Čikaški stil citiranja (17. izdanje)Levine, Sarah L. Promoting Adult Growth in Schools: The Promise of Professional Development. Boston: Allyn and Bacon, 1989.
MLA način citiranja (9. izdanje)Levine, Sarah L. Promoting Adult Growth in Schools: The Promise of Professional Development. Allyn and Bacon, 1989.
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