Cita APA

Mc Kenna, C. (2003). Powerful communication skills: How to communicate with confidence. Magna.

Chicago Edition Citation

Mc Kenna, Colleen. Powerful Communication Skills: How to Communicate with Confidence. Mumbai: Magna, 2003.

Cita MLA

Mc Kenna, Colleen. Powerful Communication Skills: How to Communicate with Confidence. Magna, 2003.