Gaya APA

WEN, C, X. (1997). QING DU KE PEN 2 (2). Beijing: BEIJING U YUEN TA SHUE.

Gaya MLA

WEN, CHEN, XIANG. "QING DU KE PEN 2". 2 Beijing: BEIJING U YUEN TA SHUE, 1997. Text.