Gaya APA
Lijie, Z. (2006).
21 Tian Zhengfu HSK zuo zhe zhenglijie = 21 days conquered HSK .
Beijing:
Foreign Language Teaching And Research Press.
Gaya MLA
Lijie, Zheng.
"21 Tian Zhengfu HSK zuo zhe zhenglijie = 21 days conquered HSK".
Beijing:
Foreign Language Teaching And Research Press,
2006.
Text.