Interchange. Student's book. 1

Загл. на этикетках электрон. опт. дисков: Interchange 1. 3. ed. Self-study audio. Level 3 (CD); Interchange 1. 3. ed. Class audio. Level 1+Self-study audio. Level 1(CD); Interchange 1. 3. ed. Whiteboard software(CD); Interchange 1. 3. ed. (DVD) ;