Thumbs Up! 3b Student’s Book & Practice Book
Autor:Fash, Sarah; Schabes Miller, Hedy; Harris, SuzanneThumbs Up! 3a Student’s Book & Practice Book
Autor:Harris, Suzanne; Schabes Miller, Hedy; Fash, SarahThumbs Up! 4 Teacher's Edition Units 5-8
Autor:Harris, Suzanne; Barea Rodríguez, Cecilia ElizabethThumbs Up! 4 Teacher's Guide Units 1-4
Autor:Barea Rodríguez, Cecilia Elizabeth; Harris, Suzanne