Trích dẫn APA

Paul David. (2008). Communication strategies 1. [Knxb]: Cengage learning.

Trích dẫn kiểu Chicago

Paul David. Communication Strategies 1. [Knxb]: Cengage learning, 2008.

MLA Trích dẫn

Paul David. Communication Strategies 1. [Knxb]: Cengage learning, 2008.

Warning: These citations may not always be 100% accurate.