丁香园AV

Marshall, S., Clemente, A., & Higgins, M. (Eds.) (2014). . Althouse Press (click on the title for a free download)

Marshall, S. (2019). . Montreal: Pearson ELT. CEFR Level B2

Marshall, S. (2019). . Montreal: Pearson ELT. CEFR Level B2

Marshall, S. (2018). . Montreal: Pearson ELT. CEFR Level C1

Marshall, S. (2017). . Montreal: Pearson ELT. CEFR Level C1

Marshall, S. (2012). Academic Writing: Making the Transition. Toronto: Pearson. CEFR C1