Phillips, T. (2013). Developing skills 1: Course book (Units 1-10; Revision 1-2; Workbook tracks 1- 39). Southern Court: Garnet Publishing.
Παραπομπή Chicago StylePhillips, Terry. Developing Skills 1: Course Book (Units 1-10; Revision 1-2; Workbook Tracks 1- 39). Southern Court: Garnet Publishing, 2013.
Παραπομπή MLAPhillips, Terry. Developing Skills 1: Course Book (Units 1-10; Revision 1-2; Workbook Tracks 1- 39). Southern Court: Garnet Publishing, 2013.
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