Dyfyniad APA

 Engleberg, I. N. (2017).  Working in groups: Communication principles and strategies.  Pearson.

Dyfyniad Arddull Chicago

 Engleberg, Isa N.  Working in Groups: Communication Principles and Strategies.  Pearson, 2017.

Dyfyniad MLA

 Engleberg, Isa N.  Working in Groups: Communication Principles and Strategies.  Pearson, 2017.

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