Producenci

Nowela | Pearson Education | Pearson Education Limited | Penguin Books | Penguin Group | Preston Publishing | Prolog | SGEL - Educacion | Summertown Publishing | SuperMemo World | Usborne Publishing Ltd | Vintage Books | Wagros | Wordsworth Classics | WORDSWORTH EDITIONS | AVANTI | CODEX | LUCRUM | WOKÓŁ NAS | Centrala | Egmont Polska Sp. z o.o. | Fantastica | GWP | Hanami | IMMORTAL | Kultura gniewu | Macek Petr, Kopl Petr, | Manzoku | Ongrys | Robert Zaręba |