LIM HONG SWAN; YEOH LI CHENG. MANDARIN MADE EASY THROUGH ENGLISH. [s.l.] : Penerbit UTHM,2009. Disponível em: https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/57.. Acesso em: 18 jul. 2024.