एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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