Trích dẫn APA

Lee, C. 21 Century Communication: Listening, Speaking, and Critical Thinking / Christien Lee. Cengage Learning Asia PTE LTD.

Trích dẫn kiểu Chicago

Lee, Christien. 21 Century Communication: Listening, Speaking, and Critical Thinking / Christien Lee. Cengage Learning Asia PTE LTD.

Trích dẫn MLA

Lee, Christien. 21 Century Communication: Listening, Speaking, and Critical Thinking / Christien Lee. Cengage Learning Asia PTE LTD.

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