Cotton, D., Falvey, D., & Kent, S. (2004). Elementary Business English: Course book. Pearson Education.
Chicago-viite (17. p.)Cotton, David, David Falvey, ja Simon Kent. Elementary Business English: Course Book. Essex: Pearson Education, 2004.
MLA-viite (9. p.)Cotton, David, et al. Elementary Business English: Course Book. Pearson Education, 2004.
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