Gaya APA

杨德峰, ., DEFENG, Y. (2009). 对外汉语教学核心语法-ESSENTIAL GRAMMAR ON TEACHING CHINESE AS A SECOND LANGUAGE (Ed.1). 北京-Beijing: 北京大学出版社.

Gaya MLA

杨德峰, ., DEFENG, YANG. "对外汉语教学核心语法-ESSENTIAL GRAMMAR ON TEACHING CHINESE AS A SECOND LANGUAGE". Ed.1 北京-Beijing: 北京大学出版社, 2009. Text.