HSK 2 Standard Course.

MLA

包文怡 - Bao Wenyi. Hsk 2 Standard Course. 北京: 北京语言大学电子音像出版社 Beijing Language and Culture University Electronic and Audiovisual Press, 2013.

APA

包文怡 - Bao Wenyi, 包. - Bao Wenyi. (2013). HSK 2 Standard Course. 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

包文怡 - Bao Wenyi, HSK 2 Standard Course. 北京: 北京语言大学电子音像出版社 Beijing Language and Culture University Electronic and Audiovisual Press, 2013.