@book{79913,
	author = {Harrison, Richard and Soars, Liz},
	title = {Headway academic skills : reading, writing, and study skills : student's book /},
	publisher = {Oxford University Press,},
	year = {2015},
	address = {United Kingdom},
	note = {Vol. 1. Introductory level -- Vol. 2. Level 1 -- Vol. 3. Level 2 -- Vol. 4. Level 3}
}