RICHARDS, JACK C., RICHARDS, JACK
TACTICS FOR LISTENING BASIC STUDENT'S BOOK
978-0-19-434587-3 / 9780194345873
978-0-19-434587-3 / 9780194345873
978-0-521-45803-0
RICHARDS, JACK C., LOCKHART, CHARLES
978-0-521-28113-3
RICHARDS, JACK C., ECKSTUT-DIDIER, SAMUELA
978-0-19-054673-1
REILLY, VANESSA, BAZO, PLÁCIDO, PEÑATE, MARCOS
978-0-19-054675-5
REILLY, VANESSA, BAZO, PLÁCIDO, PEÑATE, MARCOS
978-84-09-74579-1
CAMBA GÓMEZ, SILVIA