Littlejohn, Andrew. Company to company : a task-based approach to business emails, letters and faxes / Andrew Littlejohn. - 4th ed. - Cambridge : Cambridge University Press, 2005. - 128 p. : ill. ; 25 cm. - Cambridge professional English . ISBN: 9780521609753 (Student's book) 0521609755 (Student's book) 9780521609760 (Teacher's book) 0521609763 (Teacher's book) Subjects--Topical Terms: Commercial correspondence--Study and teaching.