Dyfyniad APA

Davies, J. Communication Skills: A Guide for Engineering and Applied Science Students (3.). Pearson Education UK.

Dyfyniad Arddull Chicago

Davies, John. Communication Skills: A Guide for Engineering and Applied Science Students. 3. Pearson Education UK.

Dyfyniad MLA

Davies, John. Communication Skills: A Guide for Engineering and Applied Science Students. 3. Pearson Education UK.

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