APA (7th ed.) Citation

Ni. (1998). A guide to HSK proficiency test (elementary & intermediate). Beijing Language University.

Chicago Style (17th ed.) Citation

Ni. A Guide to HSK Proficiency Test (elementary & Intermediate). Beijing, China: Beijing Language University, 1998.

MLA (8th ed.) Citation

Ni. A Guide to HSK Proficiency Test (elementary & Intermediate). Beijing Language University, 1998.

Warning: These citations may not always be 100% accurate.