Davies, J. Communication Skills: A Guide for Engineering and Applied Science Students (3.). Pearson Education UK.
Chicago-viite (17. p.)Davies, John. Communication Skills: A Guide for Engineering and Applied Science Students. 3. Pearson Education UK.
MLA-viite (8. p.)Davies, John. Communication Skills: A Guide for Engineering and Applied Science Students. 3. Pearson Education UK.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.