HSK 4 Standard Course (下).

MLA

吴晓辉 - Wu Xiaohui. Hsk 4 Standard Course (下). 北京: 北京语言大学电子音像出版社 Beijing Language and Culture University Electronic and Audiovisual Press, 2014.

APA

吴晓辉 - Wu Xiaohui, 吴. - Wu Xiaohui. (2014). HSK 4 Standard Course (下). 北京: 北京语言大学电子音像出版社 Beijing Language and Culture University Electronic and Audiovisual Press.

Chicago

吴晓辉 - Wu Xiaohui, HSK 4 Standard Course (下). 北京: 北京语言大学电子音像出版社 Beijing Language and Culture University Electronic and Audiovisual Press, 2014.