APA (7th ed.) Citation

Yong, Y. M., & Cheng, C. Y. (2016). Mandarin 1. Penerbit UMP.

Chicago Style (17th ed.) Citation

Yong, Ying Mei, and Ching Yee Cheng. Mandarin 1. Penerbit UMP, 2016.

MLA (8th ed.) Citation

Yong, Ying Mei, and Ching Yee Cheng. Mandarin 1. Penerbit UMP, 2016.

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