APA引文

Cordero Badilla, D., & Pizarro Chacón, G. (2013). Communicative Grammar: An Effective Tool to Teach a Second Language in Today’s Classes.

Citación estilo Chicago

Cordero Badilla, Damaris, y Ginneth Pizarro Chacón. Communicative Grammar: An Effective Tool to Teach a Second Language in Today’s Classes. 2013.

MLA引文

Cordero Badilla, Damaris, y Ginneth Pizarro Chacón. Communicative Grammar: An Effective Tool to Teach a Second Language in Today’s Classes. 2013.

警告：这些引文格式不一定是100％准确.