Latham-Koenig, C., Oxenden, C., & Boyle, M. American English File Starter B (2. ed.). Inglaterra (Reino Unido): Oxford.
Chicago Style CitationLatham-Koenig, Christina, Clive Oxenden, and Mike Boyle. American English File Starter B. 2. ed. Inglaterra (Reino Unido): Oxford.
MLA CitationLatham-Koenig, Christina, Clive Oxenden, and Mike Boyle. American English File Starter B. 2. ed. Inglaterra (Reino Unido): Oxford.
Warning: These citations may not always be 100% accurate.