Caffarella, R. S., & Daffron, S. R. (2013). Planning programs for adult learners: A practical guide (3rd ed.). Jossey-Bass.
Čikaški stil citiranja (17. izdanje)Caffarella, Rosemary S., i Sandra Ratcliff Daffron. Planning Programs for Adult Learners: A Practical Guide. 3rd ed. San Francisco: Jossey-Bass, 2013.
MLA način citiranja (9. izdanje)Caffarella, Rosemary S., i Sandra Ratcliff Daffron. Planning Programs for Adult Learners: A Practical Guide. 3rd ed. Jossey-Bass, 2013.
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