Penggayaan APA

Barker, Alan. (2019). Improve Your Communication Skills: How to Build Trust, Be Heard and Communicate with Confidence . London: Kogan Page Ltd.

Chicago Style

Barker, Alan. Improve Your Communication Skills: How to Build Trust, Be Heard and Communicate with Confidence. London: Kogan Page Ltd, 2019. Text.

MLA Style

Barker, Alan. Improve Your Communication Skills: How to Build Trust, Be Heard and Communicate with Confidence. London: Kogan Page Ltd, 2019. Text.

Turabian Style

Barker, Alan. Improve Your Communication Skills: How to Build Trust, Be Heard and Communicate with Confidence. London: Kogan Page Ltd, 2019. Print.