Preliminary for schools trainer : six practice tests with asnwers and teacher's notes

.

Elliott, Sue

;

Gallivan, Liz

. 1a. ed.; 12a. reimp. , 2016. ISBN: 9780521174879. (M) Monografía

Preliminary for schools trainer : CD 1

.

Elliott, Sue

;

Gallivan, Liz

. 1a. ed. , 2012. ISBN: 9780521174879. (M) 

Preliminary for schools trainer : CD 2

.

Elliott, Sue

;

Gallivan, Liz

. 1a. ed. , 2012. ISBN: 9780521174879. (M) 

Preliminary for schools trainer : CD 3

.

Elliott, Sue

;

Gallivan, Liz

. 1a. ed. , 2012. ISBN: 9780521174879. (M)