New Headway : Upper-intermediate Workbook with key

.

Soars, John

;

Soars, Liz

;

Wheeldon, Sylvia

. 3rd ed. , c2005. ISBN: 9780194393010. (M) TEXTO

New Headway : Pre-intermediate Workbook with key

.

Soars, John

;

Soars, Liz

;

Wheeldon, Sylvia

. 3rd. ed. , 2007. ISBN: 9780194715874. (M) TEXTO

New Headway : Elementary Workbook with key

.

Soars, John

;

Soars, Liz

;

Wheeldon, Sylvia

. 3a.ed. , 2006. ISBN: 0194715108. (M) TEXTO

New Headway : Elementary Student´s book

.

Soars, John

;

Soars, Liz

;

Wheeldon, Sylvia

. 3a.ed. , 2006. ISBN: 0194715094. (M) TEXTO

New Headway : Pre-intermediate; Students´ book

.

Soars, John

;

Soars, Liz

;

Wheeldon, Sylvia

. 3rd. ed. , 2007. ISBN: 9780194715850. (M) TEXTO

New Headway : Pre-intermediate Workbook with key

.

Soars, John

;

Soars, Liz

;

Wheeldon, Sylvia

. 3rd. ed. , 2011. ISBN: 9780194715897. (M) TEXTO

New Headway : Elementary Student´s book

.

Soars, John

;

Soars, Liz

;

Wheeldon, Sylvia

. 3r.ed. , 2010. ISBN: 0194715096. (M) TEXTO