Cita APA (7th ed.)

Lu, H. (2009). Let's speak: A Chinese listening and speaking course : basic level : textbook. Cengage Learning Asia Pte Ltd.

Cita Chicago (17th ed.)

Lu, Huayan. Let's Speak: A Chinese Listening and Speaking Course : Basic Level : Textbook. Singapore: Cengage Learning Asia Pte Ltd, 2009.

Cita MLA (9th ed.)

Lu, Huayan. Let's Speak: A Chinese Listening and Speaking Course : Basic Level : Textbook. Cengage Learning Asia Pte Ltd, 2009.