Cita APA (7a ed.)

Richards, J. C. New Interchange: English for international communication. Student's book 2A.

Cita Chicago Style (17a ed.)

Richards, Jack C. New Interchange: English for International Communication. Student's Book 2A.

Cita MLA (8a ed.)

Richards, Jack C. New Interchange: English for International Communication. Student's Book 2A.