Cita APA

Richards, J. C., & Jack C.Richards. New interchange: English for international communication Student's workbook.

Chicago Style Citation

Richards, Jack C., i Jack C.Richards. New Interchange: English for International Communication Student's Workbook.

Cita MLA

Richards, Jack C., i Jack C.Richards. New Interchange: English for International Communication Student's Workbook.

Atenció: Aquestes cites poden no estar 100% correctes.