Gordon, J. S. (2008). Unstuck: Your guide to the seven-stage journey out of depression. Penguin Books.
Čikaški stil citiranja (17. izdanje)Gordon, James S. Unstuck: Your Guide to the Seven-stage Journey Out of Depression. London: Penguin Books, 2008.
MLA način citiranja (8. izdanje)Gordon, James S. Unstuck: Your Guide to the Seven-stage Journey Out of Depression. Penguin Books, 2008.
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