Upshall, M. (2009). Content licensing: Buying and selling digital resources. Chandos publishing.
Παραπομπή Chicago StyleUpshall, Michael. Content Licensing: Buying and Selling Digital Resources. Oxford: Chandos publishing, 2009.
Παραπομπή MLAUpshall, Michael. Content Licensing: Buying and Selling Digital Resources. Chandos publishing, 2009.
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