Cita APA (7th ed.)

Liu, Y., & chung Yao, T. (2009). Integrated chinese: Level 2, part 1 (simplified and traditional character) character workbook. Cheng & Tsui Company.

Cita Chicago (17th ed.)

Liu, Yuehua, i Tao- chung Yao. Integrated Chinese: Level 2, Part 1 (simplified and Traditional Character) Character Workbook. Boston: Cheng & Tsui Company, 2009.

Cita MLA (9th ed.)

Liu, Yuehua, i Tao- chung Yao. Integrated Chinese: Level 2, Part 1 (simplified and Traditional Character) Character Workbook. Cheng & Tsui Company, 2009.