Engels-Schwarzpaul. (2013). Of Other Thoughts: Non-Traditional Ways to the Doctorate (1.). SensePublishers.
Čikaški stil citiranja (17. izdanje)Engels-Schwarzpaul. Of Other Thoughts: Non-Traditional Ways to the Doctorate. 1. SensePublishers, 2013.
MLA način citiranja (8. izdanje)Engels-Schwarzpaul. Of Other Thoughts: Non-Traditional Ways to the Doctorate. 1. SensePublishers, 2013.
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