Ingl�s -- LIBROS DE TEXTO PARA EXTRANJEROS

Books

 
Publisher: Prentice-Hall
ISBN10: 0138266603 ISBN13: 9780138266608 LCC: PE1128
 
Publisher: Prentice-Hall
ISBN10: 013830159X ISBN13: 9780138301590 LCC: PE1128
 
Publisher: Cambridge University Press
ISBN10: 0521484766 ISBN13: 9780521484763 LCC: PE1128 Edition: (Teacher's manual)