Foley, M. and Hall, D. (2003). Advanced Learner's Grammar. Harlow: Pearson Education Limited.
Oshima, A. and Hogue, A. (2007). Introduction to Academic Writing. White Plains, NY: Pearson Education.
Leonard, A. (2010) The Story Of Stuff. London: Constable.
Abley, M. (2003). Spoken Here; Travels Among Threatened Languages. London: Arrow Books.
