APA引文

Richards, J. C. Interchange. English for international communication. Student´s book 1 (20a ed.).

Chicago Style (17th ed.) Citation

Richards, Jack C. Interchange. English for International Communication. Student´s Book 1. 20a ed.

MLA引文

Richards, Jack C. Interchange. English for International Communication. Student´s Book 1. 20a ed.

警告：這些引文格式不一定是100％准確.