Soars, John. Headway : Student's BOOK Upper- İntermediate / John & Liz Soars . - London : Oxford Press, 1991. - 135 s . ; ill. 25 cm. ISBN: 0194335593 Subjects--Topical Terms: College readersEnglish language--Textbooks for foreign speakers LC Class. No.: PE1122 Dewey Class. No.: 428