APA Style
Ren, Y. (2017).
Learning Mandarin Chinese Characters Volume 2 ( For HSK Level 2 & AP Exam Prep) .
Singapore:
Tuttle.
MLA Style
Ren, Yi.
"Learning Mandarin Chinese Characters Volume 2 ( For HSK Level 2 & AP Exam Prep)".
Singapore:
Tuttle,
2017.
Text.