Wang, Woo, Choon, Quek, Yang, and Liu (2012) found that using Facebook groups for learning resulted in overall student satisfaction...

Wang, Woo, Choon, Quek, Yang, and Liu (2012) found that using Facebook groups for learning resulted in overall student satisfaction accompanied with frustration over Facebook’s privacy issues, and a lack of functionality for important tasks such as threaded discussion and multi-format document sharing.

How are Magro et al. using the work of Wang, Woo, Choon, Quek, Yang, and Liu in this example?

So would the answer be 1. Summary?, Direct Quote?, or Plagiarism?