Ackert, Patricia Cause and effect : intermediate reading practice / Patricia Ackert, Jean Bernard - 3. ed. - USA Heinle & Heinle 1999 - 319 s. res., tbl. 25 cm. Lise Kütüphanesi ISBN: 0838408745 Subjects--Topical Terms: İngiliz dili--Ders kitapları Dewey Class. No.: 428.24