Gaya APA

GUIFU, D. et al (2013). HANYU KOUYU : ELEMENTARY SPOKEN CHINESE 1 (SECOND EDITION). BEIJING: PEKING UNIVERSITY PRESS.

Gaya MLA

GUIFU, DAI. et al. "HANYU KOUYU : ELEMENTARY SPOKEN CHINESE 1". SECOND EDITION BEIJING: PEKING UNIVERSITY PRESS, 2013. Text.