Liu, S. (2009). HSK: One hour per day to a powerful HSK vocabulary (First edition.). Beijing, China: Sinolingua.
Chicago Style CitationLiu, Shen. HSK: One Hour Per Day to a Powerful HSK Vocabulary. First edition. Beijing, China: Sinolingua, 2009.
MLA CitationLiu, Shen. HSK: One Hour Per Day to a Powerful HSK Vocabulary. First edition. Beijing, China: Sinolingua, 2009.
Warning: These citations may not always be 100% accurate.