Gray, D. E. E. (2004). Learning through the workplace: A guide to work-based learning. Nelson Thornes.
Čikaški stil citiranja (17. izdanje)Gray, David E.(David Edward). Learning Through the Workplace: A Guide to Work-based Learning. Cheltenham: Nelson Thornes, 2004.
MLA način citiranja (9. izdanje)Gray, David E.(David Edward). Learning Through the Workplace: A Guide to Work-based Learning. Nelson Thornes, 2004.
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