Alma Edizioni(1) Andrew Betsis Elt(1) Barrons(1) Beijing University(4) Burlington Books(6) Cambridge Pen(1) Cambridge University(20) Cengage Learning(13) CLE International(3) Collins ELT(2) Comercial Grupo Anaya(1) Didier(1) Edilingua(3) Editorial Edinumen(1) Express Publishing(20) Grivas Publications(5) Hachette(3) Hamilton House(4) Helbling Publishing(1) Helbling Verlag(1) Hillside Press(1) Hodder Education(1) Houghton Mifflin(2) Hueber Hellas(9) Klett Hellas(6) Le Livre Ouvert(2) Litera(2) Macmillan Publishers(1) MM Publications(7) New Editions(5) Oxford University Press(2) Pearson(13) POINT FLE EDITIONS(1) Russkij Jazyk Kursy(1) SuperCourse ELT(4) York Press(1) Γερμανικές Εκδόσεις(1) Έλλην(3)